Question

What is 72 ÷ 8 + 4y^3 when y = 3? Responses 45 45 108 108 117 117 162

Will give 100 points to who answers first and is right

Answer 1

117

Explanation:

Given expression:

`72 / 8 + 4y^3`

To evaluate the expression when y = 3, substitute y = 3 into the expression and solve using the order of operations (PEDMAS).

Substitute y = 3 into the expression:

`\implies 72 / 8 + 4(3)^3`

Carry out the exponent:

`\implies 72 / 8 + 4\cdot 27`

Carry out the division and multiplication:

`\implies 9 + 108`

Carry out the addition:

`\implies 117`

Answer 2

• C) 117

Explanation:

Given expression

• 72 ÷ 8 + 4y³, when y = 3

Substitute and calculate

• 72 ÷ 8 + 4(3³) =
• 9 + 4(27) =
• 9 + 108 =
• 117

Correct choice is C