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
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
\(\frac{0.00275 \times 0.0064}{0.025 \times 0.08}\)
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
Source: WAEC / JAMB / NECO Classroom Archive (Record #60677)