Answer:
21 x 21 = 441
Step-by-step explanation:
Whenever there is an exponent that is the many times you multiply the base by itself to.
Answer:

Step-by-step explanation:

Answer:
No
Step-by-step explanation:
Answer:
what a guy
Step-by-step explanation:
Answer: 113.1 i think sorry im bad at pi U_U
Step-by-step explanation: