if n = 4, all of the following expressions are equivalent except

16
1/n^2
1/16
n^-2

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

Define multiplicative inverse. give an example of a number and its multiplicative inverse.

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0