Evaluate $5 \times 12 ^ { 2 } - \frac { 45 } { 9 }$ following the order of operations using a calculator.
A)715
B)115
C)75
D)1

Question

Evaluate $5 \times 12 ^ { 2 } - \frac { 45 } { 9 }$  following the order of operations using a calculator. 
A)715 
B)115 
C)75 
D)1

Quizplus · Accepted Answer

Using the order of operations (PEMDAS) we first evaluate the exponent, then multiplication, and then subtraction.

$5 \times 12 ^ { 2 } - \frac { 45 } { 9 } = 5 \times 144 - 5 = 720 - 5 = 715 $

Therefore, the correct answer is choice letter A.

Evaluate 5×122−4595 \times 12 ^ { 2 } - \frac { 45 } { 9 }5×122−945​