Round this number to two significant figures. 8,468
2 answers:
Answer:
Rounding to two significant figures the number became
Step-by-step explanation:
Given : Number 8,468
To find : Round this number to two significant figure ?
Solution :
Rounding to two significant figure we have to estimate or round the values in terms of zeros.
Rounding the number to hundreds value,
As 6 is greater than 5 so 4 rounds to 5 and rest became zero.
i.e.
bar means the estimated value.
Therefore, Rounding to two significant figures the number became
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Total population of US is 234.88 million.
Step-by-step explanation:
Given,
Number of people are 65 or older = 30.3 million
This represents 12.9% of total population.
Let,
x represent the total population.
12.9% of x = 30.3 million
Dividing both sides by 0.129x
Total population of US is 234.88 million.
Keywords: percentage, division
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