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NeTakaya
3 years ago
13

7x10 to the 3rd power, write a pattern to find the value of the expression

Mathematics
1 answer:
myrzilka [38]3 years ago
6 0
Scientific notation is used to express very large or very small values.
Numbers in scientific notation are written in the form of  
m × 10 to the power of n
For example:
500 is written as 5 x 10^2 where:
500 = 5 x 10 x 10

Now, let's consider 7 x 10^3:
Following the same procedure:
7 x 10^3 = 7 x 10 x 10 x 10 = 7000
The pattern can be written as:
7 x 10^3 = 7 x 10 x 10^2 
              = 70 x 10^2
              = 70 x 10 x 10^1
              = 700 x 10
              = 7000
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3 years ago
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Five times the smallest of three consecutive odd integers is seven more than twice
Fantom [35]

Answer:

5, 7, 9

Step-by-step explanation:

Using the information given we get:

5x-7=2z

x+2=y\\y+2=z\\x+4=z

5x-7=2(x+4)\\5x-7=2x+8\\

<em>Add 7 to both sides</em>

5x=2x+15

<em>Subtract 2x from both sides</em>

3x=15

<em>Divide both sides by 3</em>

x=5

Using these equations:

x+2=y\\y+2=z\\x+4=z

and

x=5

We get:

x=5\\y=7\\z=9

4 0
3 years ago
24.8 = t + 5.1 what is t?
monitta

Answer:

t = 19.7

Step-by-step explanation:

24.8 = t + 5.1

-5.1           -5.1

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

19.7 = t

4 0
3 years ago
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Jim's wages vary directly as the numbers of hours he works. For 7 hours, he makes
Blababa [14]

Answer:

$205.35

Step-by-step explanation:

First, divide 38.85 by 7. You should get 5.55 for every 1 hour.

Then, multiply 5.55 by 37. You should get 205.35

So for 37 hours, Jim will earn 205.35

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Answer:

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