To find this, multiply both the numerator and denominator by the same number. For example, 8 x 8 =64, and 10 x 8=80, so 64/80 would be an example of an equivalent ratio. Others could be 16/20 or 48/60. Hope this helps.
Step-by-step explanation:
(a^-7)/a^10 = a^(-7-10) => B
Step-by-step explanation:
I don't know if it's correct
Answer:-2
Step-by-step explanation:
Since a,b and c is 80 then d and e is 6