Can someone tell me the answer to this?
7x is your answer
both of these numbers are like terms so you just combine them to get 7x
diameter = 256 after 8 hours.
at time 0 the diameter is 1, at time 1 hour the diameter is 2, at time 2 hours the diameter is 4 and so on.
the equation of the graph is d = 2^t where d = the diameter and t = time in hours. this is exponential growth.
so after 8 hours the diameter = 2^8
= 256 (answer).
add 249.99 and 39.54 the subtract it from 300.00