Asked by Anon
                CHECK MY ANSWER PLEASE!?
6. Based upon the 2010 census data, the total population of the us is 308,745,538 people. Approximately, what is this population in scientific notation?
A. 3.1 x 10^8**
B. 3.1 x 10^7
C. 3.1 x 10^-8
D. 31 x 10^7
7. What is the solution to (3 x 10^2) x (5 x 10^5) written in scientific notation?
A. 1.5 x 10^8
B. 15 x 10^8
C. 1.5 x 10^7
D. 15 x 10^7**
            
        6. Based upon the 2010 census data, the total population of the us is 308,745,538 people. Approximately, what is this population in scientific notation?
A. 3.1 x 10^8**
B. 3.1 x 10^7
C. 3.1 x 10^-8
D. 31 x 10^7
7. What is the solution to (3 x 10^2) x (5 x 10^5) written in scientific notation?
A. 1.5 x 10^8
B. 15 x 10^8
C. 1.5 x 10^7
D. 15 x 10^7**
Answers
                    Answered by
            Anon
            
    Anything will help i'm trying to get a lot done by the 31st.
    
                    Answered by
            Reiny
            
    #6, correct
#7, your 15 x 10^7 is correct, but not in true scientific notation
In SN, the number in front must have one digit before the decimal place, so
15 x 10^7
= 1.5 x 10^8 , (note since I made the 15 "smaller", I must make the 10^7 "bigger"
    
#7, your 15 x 10^7 is correct, but not in true scientific notation
In SN, the number in front must have one digit before the decimal place, so
15 x 10^7
= 1.5 x 10^8 , (note since I made the 15 "smaller", I must make the 10^7 "bigger"
                    Answered by
            Anon
            
    Thank you so much Reiny, this was very helpful.
    
                    Answered by
            Child UwU
            
    How come the first answer is 10^8 and not 10^-8
    
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