Answer:
2 lines
Step-by-step explanation:
You're close. The only one missing is the intersection of 3 planes can be 2 lines if 2 of the planes are parallel.
B. 5¹³
(5²)⁴ * 5⁵
With parenthesis you multiply the exponents:
(5²)⁴ becomes 5⁸
Add exponents when multiplying base numbers are the same:
5⁸ * 5⁵ = 5⁽⁸ ⁺ ⁵⁾ = 5¹³
b
