Give the answer in scientific notation A human heart beats at an average of 80 beats per minute how many times does it beat in an hour,a day,a year,100 years
Answers
Answer:
4.8×10^3
Step-by-step explanation:
sol:-
Heart beat per minute = 80 beats
One hour = 60 minutes
Heart beat in a hour = 60×80
= 4800 beats
= 4.8×10^3//
Given : A human heart beats is an average of 80 beats per minute.
To Find : How many beats is this in an hour? ( a day , a year , 100 years)
Express answer in scientific notation.
Solution:
Heart beat in a minute = 80 time
1 hour = 60 minutes
Heart Beat in 60 minutes = 80 * 60 = 4800 times
Very large and very small numbers can be expressed in standard form.• Standard form is also called scientific notation form
A number is written in scientific notation if it has the form c × 10ⁿ where c ≥1, c < 10, and n is an integer.
4800 = 4.8 * 10³
4.8 * 10³ is scientific notation
Similarly in a day ( 1 Day = 24 hrs)
= 24 * 4.8 * 10³
= 115.2 * 10³
= 1.152 * 10⁵
1 year = 365 days
= 365 * 1.152 * 10⁵
= 420.48 * 10⁵
= 4.2048 * 10⁷
in 100 Years
= 100 * 4.2048 * 10⁷
= 4.2048 * 10⁹
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