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Sagot :
Answer:
d) 7(30 + 9) = 7(30) + 7(9)
Step-by-step explanation:
Answer:
d) 7(30 + 9) = 7(30) + 7(9)
Step-by-step explanation:
Distributive method:
- a(b + c) = ab + ac
Here given:
- 7 × 39
Among the option's:
1st option (7 + 3) (7 + 9) is wrong, changes final answer.
2nd option (7 × 30) + 9 is wrong, changes final answer.
3rd option 39 × 7 shows commutative property of multiplication.
4th option show distributive method.
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