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Inga [223]
3 years ago
6

Work out (9×10²)+(7×10³) State your answer in standard form

Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
4 0

Answer:

(9×10×10)+(7×10×10)

900+700

1600

1.6×10^3

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Monica’s lemon cookie recipe calls for 3 cups of sugar. How much much to make 4 1/2 Batches of cookies.
Alex

Answer:  13 & 1/2 cups of sugar

Whole part = 13

Fractional part = 1/2

===================================================

Explanation:

4 & 1/2 = 4 + 1/2 = 4 + 0.5 = 4.5

1 batch = 3 cups sugar

4.5*(1 batch) = 4.5*(3 cups sugar)

4.5 batches = 13.5 cups of sugar

The decimal number 13.5 converts to the mixed number 13 & 1/2 which is the same as writing 13  1/2

8 0
2 years ago
A hypothesis regarding the weight of newborn infants at a community hospital is that the mean is 6.6 pounds. A sample of seven i
shutvik [7]

Answer:

Degree of freedom is 6.

Step-by-step explanation:

A sample of seven infants is randomly selected and their weights at birth are recorded.

Given, Population mean = 6.6 pounds

Sample size = n = 7

Degree of freedom = n - 1

                                = 7 - 1

                                = 6

Degree of freedom is 6.

8 0
4 years ago
Yes or no 2 problems below giving brainlest
astra-53 [7]

Answer:

Problem 13: yes

Problem 14: no

Step-by-step explanation:

Problem 13:

Plug the values of x and y to solve.

-23 = -7(5) + 12

-23 = -35 + 12

-23 = -23

The values are equal, so the coordinates <u>do</u> solve the equation. It's a yes.

-----------------------------------------------------------------------

Problem 14:

Plug the values of x and y to solve.

-9 = -7(-3) + 12

-9 = 21 + 12

-9 = 33

The values are not equal, so the coordinates <u>do not</u> solve the equation. It's a no.

hope this helps :)

8 0
3 years ago
Math<br><br> please help me solve this, i do not understand it at all
steposvetlana [31]

Answer:

a = -4, 5

Step-by-step explanation:

You're looking to find points whose limits are equal to -4, which means that they must fufill two requirements:

  1. The values immediately outside the point are pretty much -4
  2. The two sides must both be close to -4.

Additionally, if a point is simply equal to -4, the limit will also be equal to -4.

3 0
3 years ago
What’s 9n-3 simplified
Katarina [22]

Answer:

9n-3

Step-by-step explanation:

since 9n has a variable, u can't add or subtract 9n with 3

but if you were multiplying: 9n(3) then it would be 27n

:)

7 0
3 years ago
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