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Maths CBSE Live product
Class 7 (2025-26)
Working with fractions
Annual Revision III - Working with fractions
11.
Time in power of 10
Question:
3
m.
Choose the correct answer:
(i)
\(10^{2}\) \(\text{seconds} \approx\)
\(2.7\) hours
\(16.6\) minutes
\(1.6\) minutes
\(1.16\) days
(ii)
\(10^{9}\) \(\text{seconds} \approx\)
\(3.17\) years
\(31.7\) years
\(11.57\) days
\(3.8\) months
(iii)
\(10^{11}\) \(\text{seconds} \approx\)
\(317\) years
\(3170\) years
\(31700\) years
\(3.17\) lakh years
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