Question

Add 6.75 xx (10^3) cm to 4.52 xx (10^2) cm with regard to significant figures.

Answer 1

The answer is 7.20 xx (10^3)

Explanation:

The first rule while adding the number is to convert them to the same power of ten which the highest number possesses. For example in this case

6.75 xx (10^3) has higher power. Thus,

4.52 xx (10^2) becomes 0.45 xx (10^3)

Now , we can add both the number

The answer comes out to be  7.20 xx (10^3)

Answer 2

Answer:

the correct answer is 7.20 x 10 power 3

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