Question

what do u mean by decimal notation? :/

Answer 1

m really confused with it

Answer 2

it just means to change a fraction to a decimal

Answer 3

yes if a number looks like this \[10^5 \] u can put that in decimal natation alsoknow as scientifc notation

Answer 4

yes u can change fraction into decimals and then scienetific notation

Answer 5

wait a sec brb :)

Answer 6

kk

Answer 7

http://www.thefreedictionary.com/decimal+notation :)

Answer 8

ok can u jst tell what is this question asking for?
How many 4 digit numbers are there whose decimal notation contains not more than 2 distinct digits

Answer 9

so kind of like 2.4

Answer 10

idk im lost now

Answer 11

9 x 9 x 8 x 8 = ?

right?

The first digit can have 1, 2, 3, 4, 5, 6, 7, 8, 9
The second digit can have 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 and subtract one number because we used that in the first digit
The third and four numbers can both be the sam out of the rest 8

Answer 12

same*

Answer 13

Deathray of Dastardly Destruction

Answer 14

^ couldnt help myself XD

Answer 15

:) its ok

Answer 16

btw the example which i gave is it correct?

Answer 17

I think so, but then can the numbers in the digits be the same as the decimal digits? not sure :/

Answer 18

ok thanks :)