Assuming you made an error typing the question out, and the formula should say 30g, as it's $30 a round:

Answer:
2⁶
Step-by-step explanation:
Rule of exponents, if you multiply number with the same base, you add the exponents
- Gage Millar, Algebra 2 tutor
Answer:
The first two is x=60
Step-by-step explanation:
1.5/90 = 1/x
1.5x = 90 x 1
1.5x/1.5 = 90/1.5
x = 60
Assuming the order doesn't matter it would be 10c6 = 210 ways
Answer:
7
Step-by-step explanation: