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Simplify and express in standard form \(\frac{0.00275 \times...

Simplify and express in standard form $\frac{0.00275 \times 0.00640}{0.025 \times 0.08}$

A.

8.8 x 10^-1

B.

8.8 x 10^-2

C.

8.8 x 10^-3

D.

8.8 x 10³

View answer & explanation

Correct answer is C

$\frac{0.00275 \times 0.0064}{0.025 \times 0.08}$

Removing the decimals = $\frac{275 \times 64}{2500 \times 800}$

= $\frac{88}{10^4}$

88 x 10-4 = 88 x 10-1 x 10-4

= 8.8 x 10-3

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