Recognize the Error Miguel found the quotient
5
.
78
×
10
5
0
.
000002
as 0.289. Which of the following correctly identifies his mistake?
Multiple choice question.
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A)
Miguel multiplied
5
.
78
×
10
5
by 0.000002, when he should have divided.
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B)
Miguel found 5.78 ÷ 0.00002 and then left his answer as is. He needed to also find the correct power of 10.
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C)
Miguel found 5.78 ÷ 2 as 2.89, but incorrectly found the power of 10. The numerator is
10
5
and the denominator is
10
−
6
.
When dividing, the resulting power is
10
11
.
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D)
Miguel found 5.78 ÷ 2 as 2.89, but incorrectly found the power of 10. The numerator is
10
5
and the denominator is
10
−
5
.
When dividing, the resulting power is
10
10
.