Aptitude - Decimal Fraction - Discussion

Discussion Forum : Decimal Fraction - General Questions (Q.No. 11)
11.
0.04 x 0.0162 is equal to:
6.48 x 10-3
6.48 x 10-4
6.48 x 10-5
6.48 x 10-6
Answer: Option
Explanation:
4 x 162 = 648. Sum of decimal places = 6.
So, 0.04 x 0.0162 = 0.000648 = 6.48 x 10-4
Discussion:
12 comments Page 2 of 2.

Winnie said:   3 years ago
How it's 10^-4? Please explain.
(1)

Debendra soren said:   2 years ago
I didn't understand about 10^4. Anyone, please explain to me.
(1)


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