Question

A computer can do 50 trillion additions per second. How many additions can it do in 10 hours? (1 trillion = 10^12)

Answer 1

1.8×10¹⁸ or 1.8 quintillion

Explanation:

You want the number of additions a computer can do in 10 hours at the rate of 50 trillion per second.

Hour

Each hour is 3600 seconds, so the number of additions that can be done in 10 hours is ...

50×10¹² adds/s × 10 h × 3600 s/h = 1.8×10¹⁸ adds

The computer can do 1.8×10¹⁸, or 1.8 quintillion additions in 10 hours.

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