Can you give me more information about it please
Yea what the other guy said
Answer:
Joni's mistake was to multiply the exponents instead of adding the exponents.
Step-by-step explanation:
we know that
When multiplying two powers that have the same base, you can add the exponents
so

Joni's mistake was to multiply the exponents instead of adding the exponents.
If you did pemdas then 3^2 would equal 9 times 2 would be 18