Advertisements
Advertisements
प्रश्न
Give the answer in scientific notation:
A human heartbeats at an average of 80 beats per minute. How many times does it beat in a year?
बेरीज
उत्तर
Heartbeat per minute = 80 beats
a year
One year = 365 days
= 365 × 24 hours
= 365 × 24 × 60 minutes
∴ Heartbeats in a year = 365 × 24 × 60 × 80
= 42048000
= 4.2048 × 107
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Numbers - Exercise 1.7 [पृष्ठ ४७]
