Mathematics
19 Online
OpenStudy (anonymous):
https://gyazo.com/3eefb3027a5c180805855592bfb28d97 Thats the question
Join the QuestionCove community and study together with friends!
Sign Up
jimthompson5910 (jim_thompson5910):
Have you tried expanding out each expression?
example: \[\Large 2.7 \times 10^3 = 2,700\]
OpenStudy (anonymous):
i tryed that...
jimthompson5910 (jim_thompson5910):
what did you get
OpenStudy (anonymous):
let me look at the question again
OpenStudy (anonymous):
its b
Join the QuestionCove community and study together with friends!
Sign Up
jimthompson5910 (jim_thompson5910):
why?
OpenStudy (anonymous):
you know scientific notation?
jimthompson5910 (jim_thompson5910):
yes I do
jimthompson5910 (jim_thompson5910):
what did you get when you converted from scientific notation to the full expanded number?
OpenStudy (anonymous):
100000000
Join the QuestionCove community and study together with friends!
Sign Up
jimthompson5910 (jim_thompson5910):
which one is that?
OpenStudy (anonymous):
10^8
jimthompson5910 (jim_thompson5910):
so what would 7.8 times 10^8 be equal to?
OpenStudy (anonymous):
xD i forgot how to convert .'s
jimthompson5910 (jim_thompson5910):
start with 7.8
then move the decimal point 8 times to the right (since the exponent over the 10 is 8)
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
mhm
jimthompson5910 (jim_thompson5910):
do the same with the answer choices
jimthompson5910 (jim_thompson5910):
then see which is greater
OpenStudy (anonymous):
B.....
jimthompson5910 (jim_thompson5910):
Can you show me the expanded forms for each?
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
-___- i know the answer is B
jimthompson5910 (jim_thompson5910):
I just want to make sure that it's not a complete guess
OpenStudy (anonymous):
its not :P