Question

what is the units digit of 2013^2013

Answer 1

look out the pattern for 3*3*3*------

Answer 2

oh... so do you know the answer?

Answer 3

3

Answer 4

how did you get the answer?

Answer 5

look out the pattern of unit digit in the multiplication of 3*3*3*------

Answer 6

3,9,7,1,3,9,7,1.....

Answer 7

right?

Answer 8

oh.... thank you soo much

Answer 9

i still have some other questions...

Answer 10

can you help me with them?

Answer 11

u can post?

Answer 12

yes

Answer 13

ok...post them

Answer 14

chris and sandy ran a half mile. sandy ran at the race at a steady pace of 1/6 mile per minute,and chris ran at a steady pace of 1/5 mile per minute. how many seconds after chris finish the race did sandy cross the finish line?

Answer 15

can you help me?

Answer 16

no...

Answer 17

ok

Answer 18

do you know the answer?

Answer 19

Sandy will take 3 minute and and Chris 2.5 minute

Answer 20

ok... how did you do it?

Answer 21

so 30 seconds

Answer 22

both r running half mile
so x* 1/6= 1/2 Chris
and y*1/5=1/2 Sandy

Answer 23

thank you... i still have some more

Answer 24

let me post them...will yiu help me woth those too?

Answer 25

:)

Answer 26

thank you soo much!!!

Answer 27

yes...post them

Answer 28

ok... in a regular hexgon what is a ratio of the length of the shortest diagonal to the length of the longest diagonal? express your answer as a commom fraction in simplest radical form.

Answer 29

for shortest one use the cosine formula



cos (theta)= (b^2+ c^2- a^2)/ 2 b*c

Answer 30

so what is the answer?

Answer 31

u want the answer only?

Answer 32

what do you mean by that?

Answer 33

I mean...i should write the answer directly?

Answer 34

yes please

Answer 35

sqrt(3)/2

Answer 36

ok... i have more...sorry

Answer 37

post them

Answer 38

please...no sorry...it's fine

Answer 39

ok... liz is a student in Ms.Xu's class. Liz says to her classmates,
"Of all pairs of students Ms. Xu can choose as class leaders, i am included in one-tenth of those pairs." how many studets are in Ms. Xu's class?

Answer 40

hello?

Answer 41

are you there?

Answer 42

hello?

Answer 43

if y=-x and y \neq 0\] what is the value of x^2013/y^2013?