PLS HELP WRITE EACH EXPRESSION AS A SINGLE POWER DO NOT EVALUATE

1.  3³

2.  (-5)⁴

3.  3¹⁰

4.  4⁰

Step-by-step explanation:

When multiplying exponents with the same base, you add the exponents.  When dividing exponents with the same base, you subtract the exponents.  When raising a number with an exponent to another power, multiply the exponents.

1.  

2.  

3.  

4.  

-2

7 - 9 = -2

reversed:

-2 + 9 = 7