Respuesta :
Answer: 16 Hope this helps, please consider making me Brainliest.
Step-by-step explanation:
First, do exponents (in PEMDAS, the E is for exponents):
3^2 + 21/3 =
9 + 21/3
Next, do divison (in PEMDAS, the D is for division):
9 + 21/3 =
9 + 7
Finally, do addition (in PEMDAS, the A is for addition):
9 + 7 =
16.
Hope this helps, please consider making me Brainliest.