Aptitude · Q11

Decimal Fraction

Competitive Exams · Aptitude · question 11

Q11

0.04 x 0.0162 is equal to:

A.

6.48 x 10^-3

B.

6.48 x 10^-4

Answer

C.

6.48 x 10^-5

D.

6.48 x 10^-6

Answer: Option B

Solution

Answer: Option B

Solution:

4 x 162 = 648. Sum of decimal places = 6.
So,
0.04 x 0.0162
= 0.000648
= 6.48 x 10^-4

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