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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?
योग
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
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: Numbers - Exercise 1.7 [पृष्ठ ४७]
