Chapter Review. Page 82 of your INB Write down this problem on your COMMUNICATOR Be prepared to defend your answer if you are called on. 64 college teams.

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Presentation transcript:

Chapter Review

Page 82 of your INB Write down this problem on your COMMUNICATOR Be prepared to defend your answer if you are called on. 64 college teams play in March Madness. Single elimination, only winners proceed. Warren Buffet offers $1billion to anyone who selects in advance who the winning team will be. What are the chances Mr. Buffet will lose $1 billion? Page XX of your INB get my questions answered & be ready for the test!

( ) 32 ( ) 16 ( ) 8 ( ) 4 ( ) 2 ( ) 63 ( ) 1

ITEMS of BUSINESS Chapter 13 Test is Wed/Thurs March 18 & 19. There are no retakes, so please study well. End of Term Test is Fri/Mon March 20 & 23. Also no retakes, so make sure you do the review worksheet and get questions answered. End of Term is March 27 th.

Practice B4 Quiz 4.8 x (5.1 x 10 5 ) ( 5 x 10 3 ) = 1.02 x = 1.02 x 10 2 (2.38 x 10 4 ) + (1.7 x 10 4 ) ( ) (10 4 ) = 4.08 x 10 4 (3.2 x 10 2 )(1.5 x 10 6 ) RULE: (scalar scalar)(10 a+b ) RULE 10 a (scalar scalar) RULE 10 a (scalar ± scalar)

Practice B4 Quiz Rewrite in Scientific Notation: 524 x = 5.24 x 10 2 x = 5.24 x

Have your homework out on your desk.

Try this CHALLENGE question: Simplify and write the answer in scientific notation. (3.9 x ) + (7.3 x ) = ( ) x = (397.3) x = (3.973 x 10 2 ) x = x = [(3.9 x 10 2 ) + (7.3)] x

NO GROUPS TODAY. Page xx of your INB get my questions answered & be ready for the test!

Write them down on your 3x5 card. s Chapter 13’s Big Ideas Remember It’s worth An extra 1% on your test!

Know WHAT gets repeated #1#1

-7 2 = -77 (-7) 2 = c 3 = 5ccc (5c) 3 = 5c5c5c 5c 3 a = 5ccca

Know anything to the zero is 1 #2# = 1 (-9) 0 = 1 (5c) 0 = 1 (blah blah blah) 0 = 1 6a 0 = 61 = 6

Know what a negative power means. #3# = = 1÷2÷2÷2 = 8 = = 1 8

Know how to deal with a negative power #3# = y -7 = 4y -7 = = = = -3m -2 a -3m 2a -3 7a -4 -5b y7y7 4 y7y7 -3 am 2 -3ma 3 2 7b 3 -5a 4

Know product, quotient & power rules. #4#4 a8a5a8a5 = a 8+5 = a 13 = a 8-5 = a3a3 a8a8 a5a5 (a 8 ) 5 = a 85 = a 40

Be care when subtracting exponents. #4#4 = m5m5 m7m7 m -2 1 = 1 m2m2 = b -7 b4b4 b = b = -5m 9 m 15 -5m = -5m-6 1 = a7c5a7c5 a 2 c 11 a 5 c -6 1 = a5a5 c6c6 = a2c3a2c3 a 9 c -2 a -7 c = c 5 a7a7 = 1 b 11 = -5 m6m6

Know how to DISTRIBUTE the product & quotient rules. #5#5 (a 6 b 9 ) 3 = a 18 b 27 (3y 4 ) 2 = 32y832y8 (2 3 c 5 ) 7 = 2 21 c = 4 9 m7m7 m 21 y 4 -5 = y -20 z2z2 z -10 = z 10 y 20

Know how to SIMPLIFY using all the previous rules. #6#6 If all else fails, MOVE NEGATIVE EXPONENTS, EXPAND, CANCEL, & SIMPLIFY. = a 0 b -3 cc -1 -5b -2 = 6b 20 a 8 5b 7 a -9 6b 20-7 a = 6b 13 a 17 5 = a0b2ca0b2c -5b 3 c 1 = 1bbc -5bbbc 1 -5b

Recognize Scientific Notation. #7#7 3.9 x 10 8 vs..39 x x 10 0 vs. 3.9 x x vs. 3.9

Go from Standard Notation to Scientific Notation #8#8

Go from Standard Notation to Scientific Notation #8#8

Go from Scientific to Standard #8#8 = x x =

Multiply, Divide & Add Scientific Numbers #9#9 4.8 x (5.1 x 10 5 ) ( 5 x 10 3 ) = 1.02 x = 1.02 x 10 2 (2.38 x 10 4 ) + (1.7 x 10 4 ) ( ) (10 4 ) = 4.08 x 10 4 (3.2 x 10 2 )(1.5 x 10 6 ) RULE: (scalar scalar)(10 a+b ) RULE 10 a (scalar scalar) RULE 10 a (scalar ± scalar)

SHOW YOUR WORK Practice Test