Answer:
a x a x a x a x a x a x a
Step-by-step explanation:
a^3 is three a's being multiplied by each other. a^4 is four a's being multiplied by each other
Answer:
600
Step-by-step explanation:
31 plus 29 is 60
60 x 10 = 600
Answer:
129.89 m²
Step-by-step explanation:
Area of a circle of radius r is A = πr².
If r = 6.43 m, then A = π(6.43 m)² = 129.89 m²
Answer:
3 7/8
Step-by-step explanation:
6 1/4 = 25/4 and 2 5/8 = 19/8
25/4 - 19/8 = 3 7/8
