Aptitude - Decimal Fraction - Discussion
Discussion Forum : Decimal Fraction - General Questions (Q.No. 11)
11.
0.04 x 0.0162 is equal to:
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
So, 0.04 x 0.0162 = 0.000648 = 6.48 x 10-4
Discussion:
12 comments Page 1 of 2.
Debendra soren said:
2 years ago
I didn't understand about 10^4. Anyone, please explain to me.
(1)
Winnie said:
3 years ago
How it's 10^-4? Please explain.
(1)
Winnie said:
3 years ago
Please explain in further.
Nata said:
4 years ago
Why did you multiply 648/10000*100? Please clarify it.
Chetan said:
6 years ago
0.04 x 0.0162 = 0.000648.
= 648/1000000,
= 648/10000*100,
= 6.48/10000 = 6.48 * 10^-4.
= 648/1000000,
= 648/10000*100,
= 6.48/10000 = 6.48 * 10^-4.
(5)
Vikramakula said:
6 years ago
Thank you all for explaining.
Emneteab said:
8 years ago
648 x 10^- 6 could be a possible answer.
(2)
Tapas said:
8 years ago
0.04=4/100.
0.0162=162/10000,
So,4/100 * 162/10000 =648/1000000=648/10 power 6=648*10 power -6.
6.48*10 power -4. (ans).
Thanks.
0.0162=162/10000,
So,4/100 * 162/10000 =648/1000000=648/10 power 6=648*10 power -6.
6.48*10 power -4. (ans).
Thanks.
(1)
Priyabrata said:
9 years ago
Why can't take 10^-6?
Vishesh said:
1 decade ago
Why 10^-4, can't we take 10^-6.
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