Question

Evaluate each expression.

Answer 1

Answer:

The answers are

→ a. 15

→ b. 27

→ c. 4

→ d. 72

→ e. 2

→ f. 9

→ g. 1

Step-by-step explanation:

Given expressions:

a. 7 + 2³

b. 9 • 3¹

c. 20 - 2⁴

d. 2 • 6²

e. 8 • (1/2)²

f. 1/3 • 3³

g. (1/5 • 5)⁵

Solve:

a. 7 + 2³

$7+2^3$

$2^3 = 8$

$8 + 7 = 15$

Hence, 15 is your answer.

b. 9 • 3¹

$9*3^1$

⇒ $9*(3)$

⇒ $27$

Hence, 27 is your answer.

c. 20 - 2⁴

$20 - 2^4$

$2^4 = 16$

$20-16 = 4$

Hence, 4 is your answer.

d. 2 • 6²

$2 * 6^2$

⇒ $2*6^2$

⇒ $2*(6*6)$

⇒ $72$

Hence, 72 is your answer.

e. 8 • (1/2)²

$8 * (\frac{1}{2})^2$

⇒ $8*((\frac{1}{2})*(\frac{1}{2}))$

⇒ $2$

Hence, 2 is your answer.

f. 1/3 • 3³

$\frac{1}{3} * 3^3$

⇒ $9$

Hence, 9 is your answer.

g. (1/5 • 5)⁵

$(\frac{1}{5} * 5)^5$

⇒ $1*1*1*1*1$

⇒ $1$

Hence, 1 is your answer.

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