Choose the best definition for the following term: exponent. (1 point) shorthand that tells how many times the base is used as a factor, or how many times the base is multiplied by itself the number listed first when combining a variable and a number a letter that holds the place of some unknown value in mathematics the number or value being raised to a power

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants.assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1