Exams › SSC CGL (Prelims) › General

Evaluate and simplify: 0.000045 divided by 0.009

1. 5 x 10^-2
2. 5 x 10^-3
3. 5 x 10^-4
4. 5 x 10^-5

Correct answer: 5 x 10^-3

Solution

Writing 0.000045 = 4.5 x 10^-5 and 0.009 = 9 x 10^-3, the quotient is (4.5/9) x 10^(-5-(-3)) = 0.5 x 10^-2 = 5 x 10^-3.

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