Answer:
Do your homework by yourself
Step-by-step explanation:
Answer:
4450878
Step-by-step explanation:
3^5 is the same as 3*3*3*3*3. which is 243
I believe the answer for 17 is C. 18 I am not sure how to do. For 19, however, the answer is B. Hope I help, and sorry I can't answer 18.