Perform the Indicated Operations Using the Laws of Exponents $10 ^ { - 2 } \cdot 10 ^ { - 6 }$

Multiple Choice

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $10 ^ { - 2 } \cdot 10 ^ { - 6 }$

A) $\frac { 1 } { 10 ^ { 4 } }$
B) $\frac { 1 } { 10 ^ { 12 } }$
C) $10 ^ { 4 }$
D) $\frac { 1 } { 10 ^ { 8 } }$
E) $10 ^ { 12 }$