Answer: 56.548
Step-by-step explanation: Circumfrance = (radius x pi) x2
162/60 = 2.7 heartbeats per second
Answer:
6.69
Step-by-step explanation:
The hundredths place is two decimal places to the right. This lands you at 8, so you must look at the number after it to determine whether you round up or down. So you look at 5, which rounds the 8 up to 9. Therefore, it is 6.69
