Mathematics
17 Online
OpenStudy (anonymous):
There are (49)5 ⋅ 40 books at the library. What is the total number of books at the library?
49
445
446
1
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
@Nnesha @Michele_Laino
OpenStudy (anonymous):
its raised i think thats what u call it
OpenStudy (anonymous):
4 raised to 9
OpenStudy (michele_laino):
I don't understand 49(5)*40
OpenStudy (anonymous):
Exponents?
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
4 to 45
OpenStudy (anonymous):
yea
OpenStudy (anonymous):
and 4 raised to 46
OpenStudy (anonymous):
its like this @Michele_Laino
Nnesha (nnesha):
\[\huge\rm (4^9)^5 \times 4^0\] like this ?
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
YES !!!! :D
Nnesha (nnesha):
alright anything to the zero power is just equal to one \[\huge\rm (anything)^0 = 1\]
OpenStudy (anonymous):
ok yea
Nnesha (nnesha):
\[\huge\rm (x^m)^n=x^{m \times n}\] just multiply the exponents
and write these dwon 'n ur notebook!
Nnesha (nnesha):
down*
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (michele_laino):
I think that it is:
\[\Large {\left( {{4^9}} \right)^5} \cdot {4^0} = {4^{45}} \cdot {4^0} = {4^{45 + 0}} = ...?\]
OpenStudy (anonymous):
ohhh so its 4 then a little 45! (idk how thats called)
Nnesha (nnesha):
type your answer choices again and use ^ for exponents
OpenStudy (michele_laino):
it is power of power
OpenStudy (anonymous):
ok
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
4^9
OpenStudy (anonymous):
4^45
OpenStudy (anonymous):
4^46
OpenStudy (anonymous):
1
OpenStudy (michele_laino):
45+0=45
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
thats a b c and d in order :)
OpenStudy (anonymous):
yea it is so its b??
OpenStudy (michele_laino):
yes! I think so!
OpenStudy (anonymous):
thanks guys!!
OpenStudy (michele_laino):
:)
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
umm i dont know who i should give the medal to
OpenStudy (anonymous):
lol
Nnesha (nnesha):
i don't really care :=) you can give to other user trust me i won't mind
OpenStudy (anonymous):
ok:D