passpadi

2017

Mathematics

JAMB

Evaluate 0.00000231/0.007 and leave the answer in standard form

A.

3.3 x 10-4

B.

3.3 x 10-3

C.

3.3 x 10-5

D.

3.3 x 10-8

Correct Answer: 3.3 x 10-4

Explanation

0.00000231/0.007 to standard form = 231×10-8/7×10-3 = 33 × 10−8−(−3) = 33 × 10−8 + 3 = 33 × 10-5 = 3.3 x 10-4

0.00000231/0.007 to standard form = 231×10-8/7×10-3 = 33 × 10−8−(−3) = 33 × 10−8 + 3 = 33 × 10-5 = 3.3 x 10-4
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