write expression using a positive exponent
- 5⁻ ²
- -7 ⁻¹
- t⁻⁶
- n⁻²
write each expression as an expression using a negative exponent other than -1
- 1/3⁴
6.1/9²
7.1/49
8.1/8
7.1/49
8.1/8