40 is the answer
5 x8 =40
9/10=a/30. and value of a is 27
Answer:
sure if im able, with what?
Step-by-step explanation:
Step-by-step explanation:
Tn=ar^(n-1)
r=-10/-5=2
a=-5
Tn=-5×(2)^(n-1)
Tn=-5•(2)^(n-1)
an=5•(2)^(n-1)
He used an incorrect time ratio converting hours to minutes.
