2 years ago

Simplify. [72/(-9)]/(-1/3)

Mathematics

1 answer:

Nutka1998 [239]2 years ago

4 0

Answer:

Step-by-step explanation:

(72/-9) / (-1/3)

72/-9) x (-3/1)

(72)*(-3) = - 216/ -9

= 24

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Stephen evaluated (6.34 times 10 Superscript negative 7 Baseline) (4.5 times 10 Superscript 3 Baseline). His work is shown below

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Answer:

The step 4 and 5 describe the errors Stephen made.

Step-by-step explanation:

Given : Stephen evaluated $(6.34\times 10^{-7})(4.5\times 10^3)$ . His work is shown below.

To find : Which two statements describe the errors Stephen made?

Solution :

Step 1 - $(6.34\times 10^{-7})(4.5\times 10^3)$

Step 2 - $(6.34\times 4.5)(10^{-7}\times 10^3)$

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Step 4 - $28.53\times 10^{4}$

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Step 5 - $28.53\times 10^{3}$

Error is the step as there is 4 in place of 3.

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The step 4 and 5 describe the errors Stephen made.

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