The world population in the year 2011 was approximately 7 x 109 people. If the population doubles in 100 years, how many people will be on the earth in the year 2111? Write your answer in scientific notation

Question

shane_b · Answer

The question is basically asking you to double the 2011 population:$$(2)(7x10^9)=?$$

shane_b · Answer

Can you solve that and put it into scientific notation?

anonymous · Answer

7,000,000,000=7 times 10 to the 9th

anonymous · Answer

?

shane_b · Answer

What's 2 x 7?

shane_b · Answer

"7,000,000,000=7 times 10 to the 9th"

Yes

shane_b · Answer

So if you double that, you get 14,000,000,000. Converting that to scientific notation you get
$$1.4x10^{10}$$

anonymous · Answer

so which 1 is the answer?

shane_b · Answer

I only posted 1 answer :)  1.4 x 10 ^10

anonymous · Answer

thanks

shane_b · Answer

no problem :)

anonymous · Answer

hey do you mind answering 1 more ques

shane_b · Answer

I'll try

anonymous · Answer

The world population in 1995 was approximately 5.7 billion people. Write this number in standard form.

shane_b · Answer

Ok, it's just asking you to write out 5.7 billion:

5,700,000,000

anonymous · Answer

i figured that thank  you alot

shane_b · Answer

no problem :)