Question

When a number is multiplied 5 times by itself, it gives the value 1445. Find the number.

A. 18
B. 15
C. 19
D. 17​

Answer 1

Answer:

D) 17

Step-by-step explanation:

$5x {}^{2} = 1445 \\ \: {x}^{2} = \frac{1445}{5} = 289 \\ x = \sqrt{289} = 17$

hope it helps you

mark me as brainlist.. . .

Answer 2

Answer:

[A] 18 x 18 x 18 x 18 x 18 = 1889568

[B] 15 x 15 x 15 x 15 x 15 = 759375

[C] 19 x 19 x 19 x 19 x 19 = 2476099

[D] 17 x 17 x 17 x 17 x 17 = 1419857

hope it helps :)