A formula is given, along with the values of M = P * (1 + i) ^ n : P=\$320 , i = 0.21 21. n = 10 all but one of the variables in the formula Find the value of the variable that is not given M=\$ Box (Round to the nearest cent as needed.)

To find the value of the variable that is not given, which is M, replace each variable for each of the given values. Then, solve.
[tex]\begin{gathered} M=P(1+i)^n \\ M=320(1+0.21)^{10} \\ M=2152.80 \end{gathered}[/tex]The value of the variable M is 2152.80.