You can either write 2.4 as 12/5 ( an improper fraction) or as 2(2/5) (a mixed number).
Answer:
60
Step-by-step explanation:
1. 60*4=240
2. 60*6=360
3. the answer is 60
153.86 is the answer because the formula is Pi times radius squared. So, the equation would be 3.14X7^2=3.14X49=153.86