Question

Pls answer it with explantion. the unit is exponents

Answer 1

Step-by-step explanation:

1. 3^5×3^2×3^4=3×3×3×3×3×3×3×3×3×3×3

=3^11=177147

2. 15a^10+5a^2=576650390625a^10+25a^2

=576650390650a^12