t8(t10)0

Question

A. t–80
B. t80**
C. t8
D. t–8

Answer 1

If your question mean:

t⁸ ∙ (t¹⁰ )⁰

then

(t¹⁰ )⁰ = 1

because any non-zero number raised to the power of zero is equal 1.

so

t⁸ ∙ (t¹⁰ )⁰ = t⁸ ∙ 1 = t⁸