Question

Find (4.0×105)÷(5.89×102) by using a calculator. Give your answer in scientific notation and round to two decimal places.

Answer 1

Answer:
`7* 10^(-1)`

Explanation:

Given

`(4.0* 105)/ (5.89* 102)`

First solve the brackets part in calculator, we obtain

`\Rightarrow 420/ 600.78\\\\\Rightarrow (420)/(600.78)=0.69909\approx 0.70\\\\\Rightarrow 7* 10^(-1)`