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Nimfa-mama [501]
3 years ago
13

Ella has 50 stacks of ten pennies in each stack. Describe how to find how many pennies ella has in all

Mathematics
1 answer:
ale4655 [162]3 years ago
4 0
To find how many pennies Ella has in all, just do 50 * 10. Cross the two zeros out and drop them as part of the answer. Then do 5 * 1 to get 5. When you do this, your answer is 500. Ella has 500 pennies in all.
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How do the values of the 5s in 581.03 and 5.472 compare
Nonamiya [84]

The value of the 5 in 581.03 is 100 times the value of the 5 in 5.472

Step-by-step explanation:

Each digit in a number has a place value.

The place value of 4 in 453.56 is hundreds (100), because 4 is in the hundred place

The place value of 2 in 1782.56 is ones (1), because 2 is in the unit place

The place value of 3 in 2.345 is tenth (0.1), because 3 is in the tenth place

∵ The number is 581.03

- Find the place of 5 in the number

∵ 5 is in the hundred place

∴ The place value of 5 is 100

∵ The number is 5.472

- Find the place of 5 in the number

∵ 5 is in the unit place

∴ The place value of 5 is 1

To find the value of the 5 in 581.03 is how many times the value of the 5 in 5.472 divide the place values of them

∵ 100 ÷ 1 = 100

∴ The value of 5 in 581.03 = 100 times the value of 5 in 5.472

The value of the 5 in 581.03 is 100 times the value of the 5 in 5.472

6 0
3 years ago
A study of the career paths of hotel general managers sent questionnaires to an SRS of 160 hotels belonging to major U.S. hotel
otez555 [7]

Answer:

(10.78483, 12.61517)

Step-by-step explanation:

It is given that the genera mangers of few hotels were sent some questionnaires for conducting a study for the career paths in the major hotel chains of the United States.

Number of hotels = 160

Number of response received = 103

The average number of years these general mangers was in their current hotels, $\bar x$ = 11.7 years

Confidence Interval, CI = 0.99

Therefore,

a = 0.01, |Z(0.005)|  (from standard normal table)

∴ 99% of CI =  $\bar x \pm Z \times \frac{s}{\sqrt n}$

                   $= 11.7 \pm 2.58 \times \frac{3.6}{\sqrt {103}}$

                    $(10.78483, 12.61517)$

3 0
3 years ago
Please help me I will give u a brainliest only if correct
Luden [163]
I got 6 units^2. So the answer is the second choice. ab/2 = 3*4/2 = 6.
4 0
4 years ago
Read 2 more answers
Determine the area of the following shapes.<br> a. 144 in<br> b. 154 in<br> c. 164 in
ArbitrLikvidat [17]

A) 144 in

is your answer. good luck

6 0
3 years ago
I don’t understand??
Rina8888 [55]

Answer:

understand it lol

Step-by-step explanation:

4 0
3 years ago
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