Question on: JAMB Mathematics - 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 10\(^{3}\)
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Correct Option: C
\(\frac{0.00275 \times 0.0064}{0.025 \times 0.08}\)
= \(\frac{275 \times 64}{2500 \times 800}\)
= \(\frac{88}{10^4}\)
88 x 10-4 = 88 x 10-1 x 10-4
= 8.8 x 10\(^{-3}\)
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