Question

express the following in four significant figure (1)6.45373 ,(2)48.5438, (3)0.0046789 , (4)69000000

Answer 1

Answer:    1. 6.454

                  2. 48.54

                  3. 0.005

                  4. 6900 x 10^4

Answer 2

Answer:

Explanation:I am again sorry and saying that please check before questioning......