Answer:
[tex]2^{21}[/tex]
Step-by-step explanation:
[tex](a^{m} )^{n}[/tex] = [tex]a^{mn}[/tex]
[tex](2^{7})^{3}[/tex] = [tex]2^{21}[/tex]
Answer: 128^3 or 2097152
Step-by-step explanation: maybe mark me brainliest? your choice! have a good day
