3 years ago

How to round 43 to the nearest ten

Mathematics

2 answers:

maksim [4K]3 years ago

7 0

43 to the nearest would be 40

Because, 3 is not greater than five in order to round it up by 1

scoundrel [369]3 years ago

6 0

40
when you round to the nearest 10, the rounding is based on the number next to it. 4 or less, it is 0. 5 or more round up to the next number.
Ex: round to the nearest 10 on 45

the next number is 50 because it is closer and you round up to the next number

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A company employs 48 people in various departments. The average annual salary of each employee is $25,000 with a maximum varianc

n200080 [17]

Given:
n = 48, the sample size
m = $25,000, th sample mean
σ = $3000, the maximum variance

The standard deviation is
s = √σ = √(3000) = 54.772

As a rule of thumb, the range is 4 times the standard deviation. Therefore the range is
R = 4*54.772 = 219.09
Half the range is
R/2 = 219.09/2 = 109.45

The required range is
(25000-109.45, 25000+109.45) = (24890.46, 25109.54)

Answer: ($24,890.46, $25,109.54)

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3 years ago

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