1. 90
2. 900
3. 9000
are your answer
First you need to know how much each guest will eat
Answer:
3 * 10^-3
Step-by-step explanation:
It is to the negative third power because the decimal needs to move in front of the 3.
There aren't any solutions. I recommend using MathPapa algebraic calculator for problems like this. Here's the link: https://www.mathpapa.com/algebra-calculator.html
