Answer:
x>2
Step-by-step explanation:
Answer:
7,000,000,000
Step-by-step explanation:
since the closest number is less than 5 (1<5) you round down making the nearest billion 7
Answer:
16
Step-by-step explanation:
Answer:
<h2>400</h2>
Step-by-step explanation:

You really just have to do 12.4 x 2 = 24.8 because half of 24.8 is 12.4.