Answer:
7
Step-by-step explanation:
using the rule of exponents
• [tex]a^{m}[/tex] ×[tex]a^{n}[/tex] = [tex]a^{(m+n)}[/tex], hence
[tex]7^{3}[/tex] × [tex]7^{-2}[/tex] = [tex]7^{(3-2)}[/tex] = [tex]7^{1}[/tex] = 7
