Answer:
[tex]7\times 10^{-3}\text{ Seconds}[/tex]
Step-by-step explanation:
We are given the following in the question:
Time required by a computer to perform addition operation =
[tex]10^{-8}\text{Seconds}[/tex]
Number of times the task needs to be performed =
[tex]70000\\=7\times 10^5[/tex]
Total time required =
[tex]\text{Time required for 1 task}\times \text{Total number of task}\\=10^{-8}\times 7\times 10^{5}\\=7\times 10^{-8+5}\\=7\times 10^{-3}\text{ Seconds}[/tex]
It would take [tex]7\times 10^{-3}[/tex] seconds to perform the task 700,000 times.