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Ksivusya [100]
4 years ago
14

How is multiplying and dividing numbers in scientific notation different from adding and subtracting numbers in scientific notat

ion?
Mathematics
1 answer:
madam [21]4 years ago
7 0
When you multiply or divide in scientific notation, you just add or subtract the exponents. When you add or subtract in scientific notation, you have to make the exponents the same before you can do anything else.
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How to solve in long division 82.14 divided by 6.
omeli [17]

Answer: 13.69

Step-by-step explanation:

82.14/6=

Multiply 82.14 by 100 to make it a whole number; since you're modifying the number, you must also multiply 6 by 100 in order to keep it balanced.

82.14*100/6*100

8214/600

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

Let's begin.

8214/600=13.69

600

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221'4

1800

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7 0
3 years ago
What is the area of this figure? <br><br> ___ units^2
enot [183]

Answer:

42\ units^{2}

Step-by-step explanation:

we know that

The area of the figure is equal to the area of a rectangle plus the area of two triangles

<u>Find the area of rectangle</u>

Observing the graph

The area of rectangle is equal to

A=bh=(2+5)(2+2)=28\ units^{2}

<u>Find the area of the top triangle</u>

A=\frac{1}{2}bh=\frac{1}{2}(2+5)(4-2)=7\ units^{2}

<u>Find the area of the bottom triangle</u>

A=\frac{1}{2}bh=\frac{1}{2}(2+5)(-2+4)=7\ units^{2}

the area of the figure is equal to

A=28\ units^{2}+7\ units^{2}+7\ units^{2}=42\ units^{2}

5 0
3 years ago
Factorise:<br><br> a) 2y^3-4y^2-2y+4<br> b) 2x^2+7x+3
bonufazy [111]

Answer:

b) 2x^2 + 7x + 3

= 2x^2 + 6x + 1x + 3

= 2x(x + 3) + 1(x + 3)

= (2x + 1) (x + 3)

4 0
3 years ago
What slope would make the lines<br> perpendicular?<br> y = 1/2x-1<br> y = [?]x - 1
mariarad [96]

Answer:

y = [-2]x - 1

Step-by-step explanation:

y = [-2]x - 1 will make the lines perpendicular.

Because the product of slopes of perpendicular lines is -1

-> 1/2*(-2) = -1

Hope it helps you in your learning process.

3 0
2 years ago
What is the distance from (-5,4) to (3,-2) on a coordinate plane ​
galben [10]

Answer:

When you graph it looks like this:

6 0
3 years ago
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