Multiply and simplify.
-$y ^ { - 9 } \cdot y ^ { - 2 }$
A) $\frac { 1 } { y ^ { 11 } }$
B) $\frac { 1 } { y ^ { 7 } }$
C) $\frac { 1 } { y ^ { - 11 } }$
D) $\mathrm { y } ^ { 11 }$

Question

Quizplus · Accepted Answer

When multiplying powers with the same base, you add the exponents: $-9 + (-2) = -11$, resulting in $y^{-11}$, which simplifies to $\frac{1}{y^{11}}$.

Multiply and Simplify y−9⋅y−2y ^ { - 9 } \cdot y ^ { - 2 }y−9⋅y−2

Multiply and Simplify $y ^ { - 9 } \cdot y ^ { - 2 }$