To write 2^7, you would do 2*2*2*2*2*2*2 because your multiplying 2 by itself 7 times. The only factor is, 2. Now try and do the rest, if you still need help, comment and I'll edit my answer and give you more hints. you got this. I believe in you :)
Answer:
-3
Step-by-step explanation:
√(225x^7y^9) = 15 sqrt(x^7 y^9)
-221/10
In the attached file
