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15
In the highest place value.
You look at the place value.
It would help to know which digit. 0 appears in 9 numbers and each of the others in 18 numbers.
If they already know what they are why do you need to explain to them?
Well its complicated to explain.
15
by rounding 624 down to 600, you know that 600 divided by 6 is 100, so the first digit will probably be a 1
You look at the place value.
In the highest place value.
It would help to know which digit. 0 appears in 9 numbers and each of the others in 18 numbers.
If they already know what they are why do you need to explain to them?
yes of course I know people with 3 and 2 digit addresses
If you're meaning a 4-digit PIN - only you can know that. If you mean the 4-digit PUK - you'll need to contact your service provider.
We cannot tell you how to explain a theory with what we know. You must explain it with what you know.
no. you can think of an irrational number as any number you don't know the last digit of. 1/2 is = to 0.5. because you know 5 is the last digit, it is rational. pi is irrational, because it does not have a last digit, it goes on forever. 10/3 or 3.33333 repeating is rational because you know 3 will be the last digit even if it is infinite. 6.7878787878 repeating would be irrational because it is not known if the 7 or the 8 is the last digit
Curiosity