Question

A calculator can perform a single calculation in about 0,0000034 seconds. How much time will it take to calculate 4,000 such calculations. Express your answer in scientific notation ?​

Answer 1

Step-by-step explanation:

Hey there!

Solution:

This is a sum based on Ratio and Proportions.

1 calculation = 0.0000034 seconds

Which is 1 calculation = 3.4 x 10-6 seconds. This implies 4000 calculations will be ?

1:3.4 x 10-6:: 4000 = ?

=> 4000 x 3.4 x 10-6

=> 4 × 10³ x 3.4 x 10-6

=> 13.6 × 10-³ seconds.

Hence the calculator would take 13.6 × 10-³ seconds.

Hope my answer helped !

Answer 2

Answer:

0.0136

Step-by-step explanation:

1 calculation = 0.0000034 sec

4000 calculations = 0.0000034×4000 = 0.0136

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