Answer:
20 cubic inches
Step-by-step explanation:
3 raise to -7 ÷3 raise to -10 × 3 raise to -5
3 raise to -7-(-10)×3 raise to -5
3 raise to 3×3 raise to -5
3 raise to 3+-5
3 raise to -2
1/3²
1/9
hope it helps you!
