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3 years ago

Is a exponent determined by the amount of zeros in the number?

Mathematics

1 answer:

Alex777 [14]3 years ago

3 0

Yup, the amount of 0's is the exponent. for example 1000= 10^3, hope this helped :)

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Which polynomial is equivalent to (2h − 3k)(h + 5k)?

Luba_88 [7]

Answer:

$2h^{2} + 7hk - 15k^{2}$

Step-by-step explanation:

Distribute (2h − 3k)(h + 5k).

2h^2 + 10hk - 3hk - 15k^2

2h^2 + 7hk 15k^2

3 0

3 years ago

I need help asapp!!!!!!!

labwork [276]

Answer:

Step-by-step explanation:

As per midsegment theorem of a trapezoid,

Segment joining the midpoints of the legs of the of the trapezoid is parallel to the bases and measure half of their sum.

Length of midsegment = $\frac{1}{2}(b_1+b_2)$

3). MN = $\frac{1}{2}(18+10)$

= 14

4). MN = $\frac{1}{2}(57+76)$

= 66.5

5). MN = $\frac{1}{2}(AB+DC)$

7 = $\frac{1}{2}(AB+10)$

14 = AB + 10

AB = 14 - 10

AB = 4

6). 15 = $\frac{1}{2}[(3x+2)+(2x-2)]$

30 = 5x

x = 6

4 0

2 years ago

Simplify: 3r+n²-r+5-2n+2

lutik1710 [3]

3r+n2−r+5−2n+2=3r+n2+−r+5+−2n+2=3r+n2+−r+5+−2n+2=(n2)+(−2n)+(3r+−r)+(5+2)=n2+−2n+2r+7
=n2−2n+2r+7

7 0

2 years ago

Read 2 more answers

Drag each expression to show whether it is equivalent to 54x plus 18, 18(3x minus 1), or (6 times 9x) plus (6 times 1)

topjm [15]

The first option is

$18(3x-1) = 18\cdot 3x - 18\cdot 1 = 54x-18$

The second option is

$6\cdot 9x + 6\cdot 1 = 54x + 6$

So, neither of them is equivalent to $54x+18$

8 0

3 years ago

A rectangular plot of ground is 10 meters longer than it is wide. It’s area is 20,000 square meters what equation will help find

kow [346]

If x=width, then the equation would be:

x(x+10)=20,000

The length is 10 meters longer than the width(x), so the length is x+10.
To get the area(20,000) you multiply width by length, hence x(x+10).

Hope this helps.

3 0

3 years ago