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Which expression is equivalent to 81 + 18?

A. 9(9 + 2)
B. 9(9 + 9)
C. 9(9 + 3)
D. 3(27 + 18)


Sagot :

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

Answer:

9(9+2)

Step-by-step explanation:

81+18=99

Now

[tex]\\ \rm\Rrightarrow 9(9+2)[/tex]

[tex]\\ \rm\Rrightarrow 81+18[/tex]

[tex]\\ \rm\Rrightarrow 99[/tex]

Hence verified.