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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 an hour?
योग
उत्तर
Heartbeat per minute = 80 beats
an hour
One hour = 60 minutes
Heartbeat in an hour = 60 × 80
= 4800
= 4.8 × 103
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: Numbers - Exercise 1.7 [पृष्ठ ४७]
