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dolphi86 [110]
3 years ago
8

After a lesson on exponents, Tia went home and said to her mom " I learned that 10 to the 4th power is the same as 40,000." She

has made a mistake in her thinking.
Mathematics
1 answer:
Burka [1]3 years ago
5 0

Answer:

The answer is "10,000".

Step-by-step explanation:

In the 10^4 can be written as  10 exponents 4, which is not equal to 40,000. Tia's opinion was incorrect because the exponential shows how much they multiply that base number.  

Let's explain :

\to  10^4 = 10 \times 10 \times 10 \times 10 \\

          =10,000

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Please help 20 points!!!!!
skad [1K]

Three students want to estimate the mean backpack weight of their schoolmates. To do this, they each randomly chose 8 schoolmates and weighed their backpacks. Then as per the given sample data,

(a) The sample means of the backpacks are: 6.375,6.375,6.625

(b) Range of sample means: 0.25

(c)The true statement is: The closer the range of the sample means is to 0, the less confident they can be in their estimate.

For the first sample, mean= 6.375

For the second sample, mean= 6.375

For the third sample, mean= 6.625

Range of sample means=Maximum Mean- Minimum Mean

                                        = 6.625 - 6.375

                                        = 0.25

The students will estimate the average backpack weight of their classmates using sample means, the true statement is:

The closer the range of the sample means is to 0, the more confident they can be in their estimate.

Learn more about range here:

brainly.com/question/24326172

#SPJ1

6 0
2 years ago
Am I right , please tell me
julsineya [31]
Yes you are correct
60 * 360 / 40 = 540
3 0
3 years ago
Read 2 more answers
What is the answer to this?
dsp73
X=2 here’s why 90-32 is 58. 29x=58 then x is 2
4 0
2 years ago
Read 2 more answers
Un comerciante de algodón de azúcar gana 40 cm por cada algodón vendido pero si no lo logra venderlo pierde 50 céntimos. un día
gayaneshka [121]

Answer:

He fails to sell that day 10 cottons.

Step-by-step explanation:

We are given that a cotton candy merchant earns 40 cents for each cotton sold, but if he cannot sell it he loses 50 cents.

One day when he made 120 cottons, he made a profit of 39 soles.

Let the number of cottons merchant is able to sold be 'x' and the number of cottons merchant is not able to sold be 'y'.

So, according to the question;

  • The first condition states that he made 120 cottons on one day, that is;

                                   x + y = 120

                                   x = 120 - y    ---------------------- [Equation 1]

  • The second condition states that merchant earns 40 cents for each cotton sold, but if he cannot sell it he loses 50 cents and due to which he made a profit of 30 soles, that is;

                               0.40x - 0.50y=39

                               40x - 50y=3900

                               40(120-y) - 50y=3900  

                               4800-40y - 50y=3900

                               90y=4800-3900

                                90 y = 900

                                  y=\frac{900}{90}=10

This means that the merchant is not able to sell 10 cottons.

4 0
3 years ago
How would i do this
Harman [31]

Answer:

It's very simple, all you have to do is round the place that is underlined. So for the first question, 6,9<u>9</u>5,000, the 3rd number there is underlined. (Which is the number 9) So you will have to round to the nearest ten thousand. The answer for number 1 is 7,000,000.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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