Evan correctly divides 1.35 by a power of 10 to get 0.00000135. What power of 10 does Evan divide by? Explain how you now

He amount of carbon-14 present in animal bones t years after the animal's death is given by p(t)equals=upper p 0 e superscript negative 0.00012097 tp0e−0.00012097t. how old is an ivory tusk that has lost 26% of its carbon-14?

On a piece of paper graph f(x)=5•(0.4)^x

What is the base of 1/9 to the power of 2