Write $2^{12}\times2^9$212×29 in simplest index form.
Using index laws, evaluate $6^5\times6^3$65×63.
Fill in the blank to make the equation true.
Write $2^8\times11^8$28×118 in simplest index form.
operates with algebraic expressions involving positive-integer and zero indices, and establishes the meaning of negative indices for numerical bases