What is the 7th term in the geometric sequence described by this explicit formula?
an=2 x 5^(n-1)

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top

Write the equations in logarithmic form 10^3=1,000