Question 1156886

{{{8}}} to the power of negative {{{2}}}:{{{8^-2}}}


 times ? a to the power of {{{7}}} (I guess {{{8}}} to the power of {{{7}}}): {{{8^7}}}

then you will have: {{{8^-2*8^7}}}.......apply rule for multiplication of exponents with same base

{{{8^-2*8^7=8^(-2+7)=8^5}}}