Convert 670,034.562785 to scientific notation, rounding properly.

a. 6.70 x 105

b. 6.70 x 10-5

c. 670 x 105

d. 6.70034 x 106

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670034.562785 = 670034.562785 /100000 x 100000

= 6.70034562785 x 10^5

**Therefore the scientific notation of given value is 6.7 x 10^5 and the answer is (a).**

a. 6.70 x 105 because the dot moves 5 spots to the left

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