Question

alguien me puedes ayudar con esto:
1.
$(3 {}^{9} )(3 {}^{ - 2)}$
2
$(10 {}^{18} )(10 {}^{ - 6} )$
3
$(6 {}^{10} )(6 {}^{5} )(6 {}^{2} )(6 {}^{7} )$
4
$(6 {}^{4} )(6 {}^{2} )(6 {}^{ - 5} )$
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Answer 1

Explicación paso a paso:

1)$3^{9} *3^{-2}=3^{9+(-2)}$$=3^{7}$

2)$10^{18} *10^{-6} =10^{18+(-6)} =10^{12}$

3)$6^{10} *6^{5}*6^{2} *6^{7} =6^{10+5+2+7} =6^{24}$

4)$6^{4} *6^{2} *6^{-5} =6^{4+2+(-5)}=6 ^{4+2-5}=6^{1} =6$