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ValentinkaMS [17]
3 years ago
5

Why is scientific notation useful and how is scientific notation used in the real world ?

Mathematics
2 answers:
tekilochka [14]3 years ago
6 0
It’s just a way to condense large numbers/decimals, so that they are easier to write out.
algol [13]3 years ago
4 0

Scientific notation is used to write very large or very small numbers using less digits. Discover examples of scientific notation used in real life and acquire the comprehension of complex concepts such as polynomials and exponents.

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Jessica, Lauren and Kimmie were paid a total of $120 for babysitting in a ratio of 2:3:5. How much less did Jessica make than Ki
Tju [1.3M]

Answer:

Jessica makes $36 less than Kimmie  

Step-by-step explanation:

Let

x -----> amount paid to Jessica

y  ----> amount paid to Lauren

z ----> amount paid to Kimmie

we know that

x+y+z=120 ------> equation A

\frac{x}{y}=\frac{2}{3}

x=\frac{2}{3}y -----> equation B

\frac{y}{z}=\frac{3}{5}

z=\frac{5}{3}y -----> equation C

substitute equation B and equation C in equation A and solve for y

\frac{2}{3}y+y+\frac{5}{3}y=120

\frac{10}{3}y=120

y=120(3)/10

y=36

<em>Find the value of x</em>

x=\frac{2}{3}(36)=24

<em>Find the value of z</em>

z=\frac{5}{3}(36)=60

therefore

The  amount paid to Jessica was $24

The amount paid to Lauren was $36

The amount paid to Kimmie was $60

To find out how much less Jessica did than Kimmie, subtract the amount paid to Jessica from the amount paid to Kimmie.

\$60-\$24=\$36

therefore

Jessica makes $36 less than Kimmie

7 0
3 years ago
For parallelogram LMNO, <br><br> please help?
jeyben [28]
 m∠L = 5x - 28
m∠N = 3x - 10

      m∠L ≡ m∠N
  5x - 28 = 3x - 10
- 3x         - 3x
  2x - 28 = -10
      + 28  + 28
         2x = 18
          2      2
           x = 9

m∠L = 5x - 28
m∠L = 5(9) - 28
m∠L = 45 - 28
m∠L = 17

m∠N = 3x - 10
m∠N = 3(9) - 10
m∠N = 27 - 10
m∠N = 17

  x + 17 = 180
     - 17    - 17
          x = 163

m∠O = 163
3 0
4 years ago
I'm too lazy to figure this out so if u could help that be great! :D just tell me which one it is
vazorg [7]
It could be in meters or centimeters according to how long the desk is. But it's usually meters because cm is short
4 0
3 years ago
Read 2 more answers
∠A and ∠B are complementary. If ∠A= 32 find m∠B.
rewona [7]

Answer:

Your answer is 58

Step-by-step explanation:

This is true because complementary means both angles add to 90 degrees. So if you know one is 32 then you subtract 90-32 which will give you 58 (angle B).

6 0
3 years ago
Read 2 more answers
14 less than five times a number is at most 10 can someone please help me I've been trying this for three 3 hours
Anuta_ua [19.1K]
The correct answer is that

3 0
3 years ago
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