passpadi

2013

Mathematics

JAMB

Evaluate 1.25×0.025/0.05 , correct to 1 decimal place

A.

0.6

B.

6.2

C.

6.3

D.

0.5

Correct Answer: 0.6

Explanation

1.25 × 0.025/0.05 =125×10−2 × 25 × 10−3/5× 10−2 = 125 x 5 x 10−3 = 625 x 0.001 = 0.625 = 0.6 Approx to 1 d.p.

1.25 × 0.025/0.05 =125×10−2 × 25 × 10−3/5× 10−2 = 125 x 5 x 10−3 = 625 x 0.001 = 0.625 = 0.6 Approx to 1 d.p.
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