When multiplying terms with exponents, just add the exponents together.
You have x^7 and x^4, so 7 +4 = 11
Y^2 and Y^5 = 2+5 = 7
so it would be -20x^11 y^7
The answer is A.) a=11, b=7
Answer:
skip it :)
Step-by-step explanation:
69
d
Radius = 4
area:
4x4x3.14x12=602.88