Answer:
9+10=21
Step-by-step explanation:
$22 for popcorn and $8 for pretzels together it would be $30
3
*if you ever need to do more math like this, I suggest using desmos :)
7.3×10^22 = 73,000,000,000,000,000,000,000
73,000,000,000,000,000,000,000 × 26,000,000 = 1,898,000,000,000,000,000,000,000,000,000 or 1.898 × 10^30
216:6 ratio
36 rate