Question

Which of the following shows the prime factorization of 72 using exponential notation?o 2². 3223.322.628.9

Answer 1

The prime factorization of 72 is given below

`\begin{gathered} 72=8*9 \\ \\ \text{But we know that} \\ 8=2*2*2 \\ 9=3*3 \\ \\ \text{Thus, } \\ 72=2*2*2*3*3 \\ \therefore72=2^3*3^2 \end{gathered}`

Final Answer

`2^3.3^2`