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3 years ago

9

A wooden plank of length x is cut into 8 sections such that each section is at most 2 1/2 meters long. What is the length of the

entire plank in meters

1 answer:

Arisa [49]3 years ago

7 0

You would do 2.5*8 which equals 20. x=20

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The equation is $5^{3}$ × $5^{-2}$

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Then you solve the second base/exponent but know that with negative exponents, you divide 1 by the number rather than multiplying

$5^{-2}$ = 1÷5÷5=.04

So now the equation is 125×.04=5

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