3 years ago

Which expression is equivalent to 81 + 18?

Mathematics

2 answers:

Dima020 [189]3 years ago

3 0

Answer:

A. 9(9 + 2)

Step-by-step explanation:

81 + 18 = 99

A. 9(9 + 2) = 99, correct
B. 9(9 + 9) = 198 ≠ 99
C. 9(9 + 3) = 108 ≠ 99
D. 3(27 + 18) = 135 ≠ 99

Marat540 [252]3 years ago

3 0

Answer:

9(9+2)

Step-by-step explanation:

81+18=99

Now

$\\ \rm\Rrightarrow 9(9+2)$

$\\ \rm\Rrightarrow 81+18$

$\\ \rm\Rrightarrow 99$

Hence verified.

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