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jarptica [38.1K]
2 years ago
9

Use rounding to estimate the product of 5,555 and 4,444 round both numbers to the nearest thousand to find answer

Mathematics
1 answer:
Dimas [21]2 years ago
4 0

Step-by-step explanation:

Given that the first number is

5,555 and

the second number is 4,444

the product of 5,555 and4,444= 24686420

to the nearest thousand 5,555= 6000

to the nearest thousand 4,444= 5000

Therefore the product of 6000 and 5000 is

=6000x5000

=30000000

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In a normally distributed data set a mean of 55 where 95% of the data fall between 47.4 and 62.6, what would be the standard dev
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Answer:

The standard deviation of that data set is 3.8

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

68% of the measures are within 1 standard deviation of the mean.

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99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean = 55

95% of the data fall between 47.4 and 62.6. This means that 47.4 is 2 standard deviations below the mean and 62.6 is two standard deviations above the mean.

Using one of these points.

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2sd = 7.6

sd = 7.6/2

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6 0
2 years ago
Archie can walk 1 mile in 1/3 hour. How far can walk in 3 hours explain how you found the answer​
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Step-by-step explanation:

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7 0
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Trapezoid CDEF was reflected across the x-axis followed by a 90° rotation about the origin to create the other trapezoid shown o
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7 1
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£399 is shared between Ann, Bill, Chloe and Dave.
tiny-mole [99]
Answer is 4.5 Show all
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6 0
2 years ago
A professor is examining a new strain of bacteria. The amount of bacteria can be modeled by function s(n) = 20 · bn, where n is
user100 [1]
For this case we have a function of the form:
 y = A * (b) ^ n

 Where,
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here were initially 20 bacteria.
 
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