5 y ( ) a. 18. a Practice B 4 2. ( 12) 5. 2 x y
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1 . a. The competitor is usig the mode. The ewspaper is usig the media. The competitor picked the mode because it is lowest ad they wat to make it look like their competitor does ot offer a good hourly wage. The ewspaper picked the media because it represets the data well.. media. o; The people that have bee with the compay the logest will probably have the highest pay rates of ayoe i the compay.. Puzzle Time STICK Techology Coectio. y = 0.x , or poits.., or poits Chapter 0 0. Start Thikig! For use before Activity 0. Sample aswer: area ad volume formulas, Pythagorea Theorem; x squared; the area of a square is the side legth raised to the secod power; x cubed; the volume of a cube is the edge legth raised to the third power. 0. Warm Up For use before Activity , Start Thikig! For use before Lesso 0. will vary. Check studets poems. 0. Warm Up For use before Lesso ( ) 0. Practice A... ( )... ( ) y a.. a. 0. Practice B... ft mi. ( ).. ( ) x. ( p) ( ) x y a. 0. ft 0. Erichmet ad Extesio. A upside-dow gray triagle is draw i the middle of every white triagle... Step White Triagles Gray Triagles (.). x 0. ( ). Each oe is a power of. A0
2 . Each oe is the sum of the white ad gray triagles i the previous step.. 0. Puzzle Time WITH HIS HONEYCOMB 0. Start Thikig! For use before Activity 0. Sample aswer: Without expoets, to write a expressio like x 0, you would eed to write out x fifty times. It s easier to write the expressio usig expoets. 0. Warm Up For use before Activity 0....,000, Start Thikig! For use before Lesso 0. ( ) ( ),, c c 0. Warm Up For use before Lesso Practice A k.... j. x. y. ( ) c. q. (. ). w.. (. ) p a b. d 0. a. V = π ; V = πd 0. Practice B.. 0. ( ) ( ). 0. (. ).. p.. V. = π cm 0. q. (. ).. d.c k. m.. a. V = π h h; V = πh 0. x = 0. x = 0. Erichmet ad Extesio.. x. y. v V a. = π i. b. Each term is the square of the previous term. yes; Because the expoet icreases by a power of two each time.. Fermat umber,, ; Because 0. Puzzle Time grows faster tha. THE PIANO TEACHER WHO CALLED THE LOCKSMITH BECAUSE ONE OF HER KEYS GOT STUCK. o; = ad = 0, A
3 0. Start Thikig! For use before Activity 0. The Product of Powers Property states that m m+ a a = a ; Check studets cojectures. 0. Warm Up For use before Activity ( ) ( ) ( ). ( ) ( ) ( ) ( ) ( ). ( ) ( ) ( ) 0. Start Thikig! For use before Lesso 0. Sample aswer: disagree; Scott s calculatio has three steps while usig the Quotiet of Powers Property has oly two steps: subtract to get, ad the raise to the third power to get. Also, if you are tryig to simplify a variable expressio, you ofte caot do calculatios i the umerator ad deomiator. 0. Warm Up For use before Lesso = ( )... 0 b. rst. pq. x =. x = 0. Erichmet ad Extesio. m a b , ( ) Practice A p. ( 0.) (. ) s. = times more bytes of memory... ( 0.) x z.. c d. x =. x = 0. Practice B.. 0. ( ) π m ab.. about i 0, Puzzle Time DOGGY DISKETTES 0. Start Thikig! For use before Activity 0. will vary. 0. Warm Up For use before Activity a.. c. 0. u. π ( 000). t A
4 0. Start Thikig! For use before Lesso 0. Sample aswer: yes; yes; ( ) =, which is less tha Warm Up For use before Lesso 0. =, which is greater tha Practice A a. 0. x 0. t 0 e Practice B a. 0 e. 0. u 0 f. 0 c. f d. g. 0 m. d 0.. p c g.. w.. y z d. 0. b 0. Erichmet ad Extesio. o; The graph is ot a straight lie... o.. It is the same graph reflected across the y-axis.. yes; Because a is positive, the value of always. x 0. Puzzle Time IT WAS PETRIFIED 0. Start Thikig! For use before Activity 0. 0 a is Sample aswer: A scietist may use egative expoets for measuremets that are smaller tha oe. For example measuremet of huma hair or blood cells. 0. Warm Up For use before Activity y 0 y x 0, , ,000,000, ,000 A
5 0. Start Thikig! For use before Lesso 0. Expectatios may vary. The mass of a electro is about.0 0 kilogram ad the mass of Earth is about. 0 kilograms. 0. Warm Up For use before Lesso 0..,000,000, ,0,000,000,000,000, Practice A.,00,000,000.,00,000,000,000,000. yes; The factor is at least ad less tha 0. The power of 0 has a iteger expoet.. o; The factor is greater tha 0.. yes; The factor is at least ad less tha 0. The power of 0 has a iteger expoet.. o; The factor is less tha. o; The factor is greater tha 0.. yes; The factor is at least ad less tha 0. The power of 0 has a iteger expoet..,000, ,000,000.,000. a. 0,000,000,000 m,000,000 m c. Moo. a.,000 sec,,000 sec c.,,000 sec d.,,00 sec e.,00 sec =. 0 sec 0. Practice B ,0,000,000,000. o; The factor is greater tha 0.. yes; The factor is at least ad less tha 0. The power of 0 has a iteger expoet.. yes; The factor is at least ad less tha 0. The power of 0 has a iteger expoet.. o; The factor is less tha. o; The factor is greater tha 0.. yes; The factor is at least ad less tha 0. The power of 0 has a iteger expoet , ,00,000.,00,000. a. Su Moo c.,0,000 m d.,0,000 m e. 00,000,000 m. a.,00,000 sec,0,000 sec c.,0,000 sec 0. Erichmet ad Extesio a. c.. a. c. d = = = = = Puzzle Time GHOULIE 0. Start Thikig! For use before Activity 0. Sample steps for a large umber: Move the decimal poit to the right of the first ozero digit. Cout the umber of places you moved the decimal poit. This becomes the expoet of the power of 0. Sample steps for a small umber: Move the decimal poit to the right of the first ozero digit. Cout the umber of places you moved the decimal poit. Put a egative sig i frot of it. This becomes the expoet of the power of 0. A
6 0. Warm Up For use before Activity , ,00,000, Start Thikig! For use before Lesso 0. Studets estimates will vary. Sample aswer: about 0 people 0. Warm Up For use before Lesso Practice A ,. 0, ,. 0, ,. 0, kg. 00. a.. a mi 0.%, 0.00,, ,. 0, 0 0. Erichmet ad Extesio. Elemet Chemical Symbol Mass (amu) Mass (g) Silver Ag Oxyge O ,. 0, ,. 0, ,. 0, ,. 0, ; m. a.. a c..0 0.%,,. 0,. 0.,, Practice B ,. 0, Platium Pt. 0. heptago 0. Puzzle Time MAJAMAS Helium He Nitroge N Start Thikig! For use before Activity 0. Sample aswer: Studets will likely say that it is easier to copy the secod umber; some beefits are that you are less likely to itroduce errors whe copyig the umber ad that you ca easily see the magitude of a umber i scietific otatio by lookig at the expoet. 0. Warm Up For use before Activity 0.. yes; The factor is at least ad less tha 0. The power of 0 has a iteger expoet. So, the umber is writte i scietific otatio.. o; The factor is less tha. So, the umber is ot writte i scietific otatio. A
7 . o; The power of 0 is ot a iteger expoet. So, the umber is ot writte i scietific otatio.. o; The factor is greater tha 0. So, the umber is ot writte i scietific otatio. 0. Start Thikig! For use before Lesso 0. To write a umber i scietific otatio, move the decimal poit to the right of the first ozero digit. The, cout the umber of places you moved the decimal poit. This determies the expoet of the power of 0. Use a positive expoet whe you move the decimal place to the left, ad a egative expoet whe you move the decimal to the right. Sample aswer: Scietific otatio is used to write very small umbers ad very large umbers. 0. Warm Up For use before Lesso Erichmet ad Extesio Sample aswer: It is easier to compare umbers.. Sample aswer: It is more difficult to determie the factor of the umber. 0. Puzzle Time IT QUACKED UP Techology Coectio ,0, Practice A ,0,00,000. may vary depedig o type of calculator. For TI- Plus: that have 0 or fewer digits are displayed usig stadard otatio. that have more tha 0 digits are displayed usig scietific otatio m.. 0 ft. Geeral Sherma;. 0 ft greater tha Washigto;. 0 ft greater tha Geeral Grat 0. Practice B m.. 0 ft about 0 times greater A
= 4 and 4 is the principal cube root of 64.
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