Question

7. 16x^5 * 3x^7
A) 19x^12
B) 48x^35
C) 48x^12
D) 32x^12

Answer 1

Multiply the coefficients
16 * 3 = 48

Now multiply the variables with exponents
when multiplying the variables with exponents we add the exponents
So
x^5 * x^7 = x^(5 + 7)
So x^12

So the final answer is
48x^12