Remember that exponentioal rule
x^m times x^n=x^(m+n)
therefor
7^4 times 7^-6=7^(4-6)=7^(-2)
remember the other rule
x^-m=1/(x^m) so
7^-2=1/(7^2)=1/49
answe ris A
Answer:
26000000
Step-by-step explanation:
sorry if its wrong
Answer:
#1
Step-by-step explanation:
Answer:A for the first one and C for the second one
Step-by-step explanation:
