math
posted by nautia on .
Tell how you could use a number line to determine which of two number is greater

The number which is greater will be further away from zero.

0.213699213699213... irrational
98.687888981828384855818... irrational
0.004872368777712 rational
0.00000000000000987... irrational
8.23538297642898989... irrational 
1) rational...notice the repeating unit 213699
2) correct
3) irrational no repeats
4)correct
notice the 89 repeating, rational.
If there are any repeating units in the decimal portion, it is rational. 
oooo ok tyvm

A number is missing in the tens digit. the number is 51 3 6 what could the tens digit be if the number is divisible by 2? by 4? by 8?