marcus5226 marcus5226

10-09-2019
Mathematics

contestada

Evaluate this exponential expression.
4. (2 + 5)2 - 52 =
A. 46
B. 144
c. 8
D. 171

Respuesta :

jimrgrant1 jimrgrant1

10-09-2019

Answer:

B

Step-by-step explanation:

Given

4(2 + 5)² - 52

Evaluate the parenthesis

4 × 7² - 52 ← evaluate the exponent

4 × 49 - 52 ← evaluate the multiplication

= 196 - 52 ← evaluate the subtraction

= 144 → B

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