Find the GCF.
-$64 \mathrm{a}^{9} \mathrm{~b}^{3}, 40 \mathrm{a}^ 6 \mathrm{~b}^{9}$
A) $4 a^{3} b^{6}$
B) $8 a^{6} b^{3}$
C) $8 a^{9} b^{9}$
D) $320 \mathrm{a} 9 \mathrm{~b}$

Question

Quizplus · Accepted Answer

The GCF of 64 and 40 is 8. The GCF of $a^{9}$ and $a^{6}$ is $a^{6}$ (since we take the lower power). The GCF of $b^{3}$ and $b^{9}$ is $b^{3}$ (again, taking the lower power). Therefore, the GCF is $8 a^{6} b^{3}$.

Find the GCF 64a9 b3,40a6 b964 \mathrm{a}^{9} \mathrm{~b}^{3}, 40 \mathrm{a}^ 6 \mathrm{~b}^{9}64a9 b3,40a6 b9 A) 4a3b64 a^{3} b^{6}4a3b6

Find the GCF $64 \mathrm{a}^{9} \mathrm{~b}^{3}, 40 \mathrm{a}^ 6 \mathrm{~b}^{9}$ A) $4 a^{3} b^{6}$