Mathematics
22 Online
OpenStudy (anonymous):
please help!
What is 10–4 in standard form?
A.
0.00001
B.
0.0001
C.
1,000
D.
10,000
I think its B
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Mehek (mehek14):
you are correct :)
OpenStudy (anonymous):
I am? yay!!
Mehek (mehek14):
yes u r
OpenStudy (anonymous):
can i ask another?
OpenStudy (anonymous):
@Mehek14
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Mehek (mehek14):
sure
OpenStudy (anonymous):
What is 0.0000001 written as a power of ten?
A.
10–5
B.
10–6
C.
10–7
D.
10–8
OpenStudy (anonymous):
I guess C
Mehek (mehek14):
correct again :)
OpenStudy (anonymous):
YAY
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OpenStudy (anonymous):
few more ok?
Mehek (mehek14):
sure
OpenStudy (anonymous):
What is 3.67 × 10^5 ?
A.
367
B.
3,670
C.
36,700
D.
367,000
D? this one is hard
Mehek (mehek14):
yup D
OpenStudy (anonymous):
thx man
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Mehek (mehek14):
is that it?
OpenStudy (anonymous):
1 more i guess
What is 5263 × 10–3 ?
A.
5.263
B.
52.63
C.
526.3
D.
526,300
i don't know this one
Mehek (mehek14):
there is no decimal point?
OpenStudy (anonymous):
nope its just 5263
Mehek (mehek14):
ok so imagine there is a decimal after 3
5263.
move 3 places to the left
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Mehek (mehek14):
they don't show decimal because you don't need one in a whole number
OpenStudy (anonymous):
so 5.263? A?
Mehek (mehek14):
yup
OpenStudy (anonymous):
wow, your the best thanks man! I've got 1 more but I'm going to try it myself
Mehek (mehek14):
ok :)
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OpenStudy (anonymous):
and of course its a hard one.......
Mehek (mehek14):
post it
OpenStudy (anonymous):
ok
OpenStudy (anonymous):
What is 65 ÷ 102 ?
A.
0.0065
B.
0.065
C.
0.65
D.
6.5
Mehek (mehek14):
\(65÷10^2 ?\)
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OpenStudy (anonymous):
yea
OpenStudy (anonymous):
how did you do that
Mehek (mehek14):
`\(65÷10^2\)`
OpenStudy (anonymous):
oh
Mehek (mehek14):
move the decimal 2 places to the left
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OpenStudy (anonymous):
.65?
OpenStudy (anonymous):
wait no
Mehek (mehek14):
yup
OpenStudy (anonymous):
.65??
Mehek (mehek14):
yes
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OpenStudy (anonymous):
ok thank you man!!!!!
Mehek (mehek14):
yw :)
OpenStudy (anonymous):
I GOT A 100 UR THE BEST
OpenStudy (anonymous):
cya :3
Mehek (mehek14):
cya :3
cx