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How do I change my answer to be displayed in scientific notation rather than standard? Thank you

Guest Sep 29, 2017

Best Answer 

 #1
avatar+5197 
+2

Let's make an example

 

20,000

 

This number is in standard notation

 

The easy explanation is to make this number look like this: x * 10^n

 

x cannot be greater than or equal to 10. n can be any whole number, including 0.

 

Now, let's try putting 20,000 into scientific notation!

 

We must make it so that x is less than 10, let's try making x=2

 

20000=2*10^n

 

Now, what value of n will make 2*10^n = 20000?

 

Let's put in 4

 

2*10^4=20000

2*10000=20000

20000=20000

 

Since 20000=20000 is a true statement, we know that 2*10^4 is the scientific notation. 

 

( If this is confusing, n equals the amount of times you move the decimal point until you make a number less than 10. 

 

Ex. 100

 

Move the point 2 times and you end up with 1.00

 

1*10^2=100)

 

Hope this helped!

rarinstraw1195  Sep 29, 2017
Sort: 

1+0 Answers

 #1
avatar+5197 
+2
Best Answer

Let's make an example

 

20,000

 

This number is in standard notation

 

The easy explanation is to make this number look like this: x * 10^n

 

x cannot be greater than or equal to 10. n can be any whole number, including 0.

 

Now, let's try putting 20,000 into scientific notation!

 

We must make it so that x is less than 10, let's try making x=2

 

20000=2*10^n

 

Now, what value of n will make 2*10^n = 20000?

 

Let's put in 4

 

2*10^4=20000

2*10000=20000

20000=20000

 

Since 20000=20000 is a true statement, we know that 2*10^4 is the scientific notation. 

 

( If this is confusing, n equals the amount of times you move the decimal point until you make a number less than 10. 

 

Ex. 100

 

Move the point 2 times and you end up with 1.00

 

1*10^2=100)

 

Hope this helped!

rarinstraw1195  Sep 29, 2017

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