alleryWhich expression equals 6 × 13 by splitting 13 into 10 + 3?
A60 + 13
B6 + 13
C60 + 18
D60 + 3
Answer & Solution
Correct answer: C. 60 + 18
1. The distributive law: 6 × (10 + 3) = 6 × 10 + 6 × 3.
2. That is 60 + 18 = 78.
3. Leaving out a multiplication by 6 gives a wrong total.
_Source: Wikipedia, Distributive property (CC BY-SA 4.0, rev 1371443742), Definition_
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