Hello I am in desperate need of help with my homework as soon as possible please

Question

1.) The voltage V across a capacitor at time t seconds is given by

Identify the voltage across the capacitor at 8 seconds to the nearest hundredth.

A.) 5.49 V

B.) 4.39 V

C.) 6.20 V

D.) 6.69 V

2.) Identify all of the real eighth roots of −256.

A.) −2

B.) −2, 2

C.) 2

D.) no real eighth roots

Answer 1

Answer 2

1.) A.

2.) D