Answer:
20
23 is between 20 and 30, but it's closer to 20. So 23 is rounded down to 20.
<span>C12H22O11(s)+12O2(g) =12CO2(g)+11H2O(g)</span>
Keep 6/15 the same and change Division sign into a multiplication sign and flip 4/21 and that will become 21/4.

126/60=21/10 and 21/10 as a mixed number is 2 1/10 so your answer is 2 1/10. Hoped I helped. :)
Answer:
f(2) = 48
Step-by-step explanation:
f(2) = 3 * 4^2
f(2) = 3 * 16
f(2) = 48
Answer: f(2) = 48