2021
Mathematics
JAMB
Simplify and express in standard form (0.00275 × 0.00640)/(0.025 × 0.08)
A.
8.8 x 10-1
B.
8.8 x 10-2
C.
8.8 x 10-2
D.
8.8 x 103
Correct Answer: 8.8 x 10-2
Explanation
(0.00275 × 0.0064)/(0.025 × 0.08) Removing the decimals = (275 × 64)/(2500 × 800) = 88/104 88 x 10-4 = 88 x 10-1 x 10-4 = 8.8 x 10-3
(0.00275 × 0.0064)/(0.025 × 0.08) Removing the decimals = (275 × 64)/(2500 × 800) = 88/104 88 x 10-4 = 88 x 10-1 x 10-4 = 8.8 x 10-3THIS WEEK's
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