Answer:
A
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^{4}[/tex] × 7² = [tex]7^{(4+2)}[/tex] = [tex]7^{6}[/tex]
