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Using the distributive property, $84 \times 7 = 80 \times 7$ + ___ $x$ 7. Find the missing number, then state the value of $84 \times 7$ .

Class 6Properties of Whole NumbersWhole Numbers

A4; 588
B4; 560
C7; 588
D8; 588

Step-by-Step Solution

84 = 80 + 4, so

84 \times 7 = 80 \times 7 + 4 \times 7 = 560 + 28 = 588

. The missing number is 4.

Answer: A) 4; 588

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