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1 vote
Write the number in standard notation. 6.43 × 10^-4

a. 0.0000643
b. -257.2
c. 0.000643
d. 0.00643

2 Answers

1 vote
When it is a negative number, you move the decimal over to the left <——

The answer is c. 0.000643
Write the number in standard notation. 6.43 × 10^-4 a. 0.0000643 b. -257.2 c. 0.000643 d-example-1
User Santosh Jadi
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5 votes
the answer is c.0.000643
User Frans Bouma
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