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Divide by a Decimal Between Zero and One
Grade Level
ACCUPLACER
AR.90 Divide by a Decimal Between Zero and One
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A positive number is divided by 0.8125. For 52 ÷ 0.8125, which option is correct?
A
52; this ignores that dividing by a fractional divisor changes the value
B
64; the quotient is greater because the divisor is between 0 and 1
C
42.25; this treats the divisor as a shrink factor instead of a group size
D
640; this adds an extra place-value shift beyond the needed division
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