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Darina [25.2K]
3 years ago
13

Perform the following calculations without rewriting the numbers in decimal form.

Mathematics
1 answer:
Bingel [31]3 years ago
6 0

Answer:

After multiplication number will be 3.408\times \times 10^{28}

Step-by-step explanation:

We have given numbers which has to multiply using scientific notation

That are 1.42\times 10^{15}\times 2.4\times 10^{13}

We have to multiply the above number using scientific notation

We know that when two number are multiplied then there exponent power is being added

So when we multiply  1.42\times 10^{15}\times 2.4\times 10^{13}  there power will be added and after multiplication number will be 3.408\times \times 10^{28}

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Given: AC and AE are common external tangents of G and D. BC= 123 GB=20 and AG=101. What is the measure of AC?​
Solnce55 [7]

Answer:

The length of AC is 222 units.

Step-by-step explanation:

Given AC and AE are common external tangents of G and D.

BC= 123 ,  GB=20 and AG=101.

We have to find the measure of AC.

As, a straight line joined from the center i.e radius is perpendicular to tangent drawn. Therefore,

In ΔABG, by Pythagoras theorem

AG^2=AB^2+BG^2

⇒ 101^2=AB^2+20^2

⇒ AB^2=10201-400=9801

⇒ AB=99 units.

Hence, AC=AB+BC=99+123=222 units.

The length of AC is 222 units.

8 0
3 years ago
Simplify: 1/5(-16-9) + 4^2 ÷8​
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Answer:

-3

Step-by-step explanation:

you start with the parentheses -16-9 turns into -16 + (-9)

and then you try to solve everything.

8 0
3 years ago
4/7 of students at a school are boys. If there are 2723 students at the school, how many are girls?
zloy xaker [14]
4/7= 0.571
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6 0
3 years ago
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A ball is dropped from a height of 14 ft. The elasticity of the ball is such that it always bounces up one-third the distance it
Korvikt [17]

Answer:

Hello,

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Step-by-step explanation:

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d=14+2*\dfrac{14}{3} +2*\dfrac{14}{9} +2*\dfrac{14}{27} \\=14*(1+\dfrac{1}{3}+\dfrac{2}{9} +\dfrac{2}{27} )\\=14*\dfrac{53}{27} \\=\dfrac{742}{27} \\

5 0
3 years ago
What is true of the data in the dot plot? Check all that apply.
NNADVOKAT [17]

Answer:

True answers

The center is 13

The peak is at 14

It has two clusters

It is skewed left

The person waited for the bus 16 times

Step-by-step explanation:

Edge2021

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