I think the correct answer from the choices listed above is the distributive postulate. The expression 3x + 3 = 3(x + 1) is an example of a distributive postulate. It <span>says that multiplying a number by a group of numbers added together is the same as doing each multiplication separately. Hope this answers the question.</span>
Answer:
4(4a+5)
16a+20
Step-by-step explanation:
4×4a=16a
4×5=20
Estimation would give you an answer close to the actual answer so you can see if your answer is reasonable depending on how close the estimate is
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