Question

Standard form of 0.000000784
a) 7.84 × 10−6
b) 7.84 × 10−7
c) 78.4 × 10−7
d) 784 × 10−6
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Answer 1

Answer:

a. 7.84×10-6

Explanation:

here is your answer

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Answer 2

7.84×10 ^-7

Explanation:

0.000000784

0 . 0 0 0 0 0 0 7 8 4

the point goes 7 place back so, answer will be:

7.84 ×10^-7