In 2012, the total population of florida was 3,158,697 people. what was the population in scientific notation, approximately?

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Step-by-step explanation:

Given  : In 2012, the total population of Florida was 3,158,697 people.

To find : What was the population in scientific notation,

Solution : We have given

3,158,697

Steps to write in scientific notation :

Step 1 : If a number has n digit we move decimal point ( n-1) place to left

 and to balance , multiply by .

We can see there are n = 7 in 3,158,697

So, we move decimal point 6 place to the left .  

Then  .

Therefore,    .

he spend 5.1 minutes chatting with his friends

step-by-step explanation:

2/5+1/2=9/10

6/1-9/10=5 1/10