Question

Find the value of 3^45 ×3^25–3^28×3^42

Answer 1

Step-by-step explanation:

Exponents and Powers:a^b, a=base,b=power

From your problem bases are equal that is '3' but powers vary.

Note:

If it is in multiplication= Add powers

If it is in division=Subtract powers

3^(45+25)-3^(28+42)

3^70-3^70

=0