# 1. Express the following numbers in correct scientific notation. 0.007230 -72800 308.70 2. How many significant...

###### Question:

1. Express the following numbers in correct scientific notation. 0.007230 -72800 308.70 2. How many significant figures are there in the following numbers? 650.00 102200 10. 45.034 2.60 x 1022 17.2010 3. Round off the following numbers to TWO significant figures. 34.459 0.07918227 700-2 6.854 x 10- 0.729

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