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

Mathematics
JAMB 2021

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
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Correct Answer: Option C
Explanation

\(\frac{0.00275 \times 0.0064}{0.025 \times 0.08}\)

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

There is an explanation video available below.


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Explanation Video

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