The greatest common factor of 15 and 20 is 5
Answer:
<h2>16</h2>
Step-by-step explanation:
![\text{Use}\ a^n\cdot a^m=a^{n+m}\\\\4^7\cdot4^{-5}=4^{7+(-5)}=4^{7-5}=4^2=4\cdot4=16](https://tex.z-dn.net/?f=%5Ctext%7BUse%7D%5C%20a%5En%5Ccdot%20a%5Em%3Da%5E%7Bn%2Bm%7D%5C%5C%5C%5C4%5E7%5Ccdot4%5E%7B-5%7D%3D4%5E%7B7%2B%28-5%29%7D%3D4%5E%7B7-5%7D%3D4%5E2%3D4%5Ccdot4%3D16)
B I’m not 100% sure but I think
Answer:
$63 when you add them both together. I don't know how to do the other part, but I know you should find the percenatge. The first is to multiply 63 * 100/1
Step-by-step explanation: