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The leading digits refers to the first numbers in the typical way from left to right. For instance, for a number like 2837. 258, the leading digits are 2 and 8.
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How many 27 digit numbers have digits which sum to 2?
If leading 0s are disallowed, only 27 of them. If leading 0s are allowed then 378.
Why are leading zeros to the left of non zero digits not significant?
Because they are place holders
What is the smallest five digit number that can be formed from 03418?
Including the leading zero, the smallest number you can make from the digits 03418 is 01348. Without the leading zero in the ten thousands column, the smallest number you can form from the digits 03418 is 10348.
How many different numbers can you form if no digit is repeated?
The answer will depend on how many digits you have at your disposal. Working with the 10 digits, and barring leading zeros, there are 8,877,690 numbers.
How do you round 0.0195 to 3 significant digits?
0.0195. Note that leading zeros are non-significant.
How do you write 64.1 billion dollars?
A US Billion* has 9 digits following the leading digits (64 being the leading digits in this case.)So 64.1 billion dollars = $64,100,000,000Notice that if you count the number of digits after 64 there are 9Note*: A billion in some other countries is actually a million million (or having 12 digits after the leading digits.) For finance this magnitude of number does not make sense (it's much too large,) and instead the US Billion is used.
How many significant digits are in exact numbers?
It is a count of all digits, excluding leading zeros before the decimal point.
How many significant digits are in the measurement in 0.37010 meters?
The significant digits are: 3701; so there are four such digits in the measurement. These are the digits that convey the degree of precision included. Leading zeroes and trailing zeroes do not add such meaning.
How many significant digits are in the measurement 0.006?
One. The leading zeroes are not significant.
How many 27 digit numbers have digits which sum to 2?
If leading 0s are disallowed, only 27 of them. If leading 0s are allowed then 378.
Why are leading zeros to the left of non zero digits not significant?
Because they are place holders
How many 2 digits numbers are such that the difference of the number and the number with the digits reversed is a perfect square?
If the number with the digits reversed can have a leading 0 so that it is a 1-digit number, then 16. Otherwise 13.
What is the smallest five digit number that can be formed from 03418?
Including the leading zero, the smallest number you can make from the digits 03418 is 01348. Without the leading zero in the ten thousands column, the smallest number you can form from the digits 03418 is 10348.
How many different numbers can you form if no digit is repeated?
The answer will depend on how many digits you have at your disposal. Working with the 10 digits, and barring leading zeros, there are 8,877,690 numbers.
How many significant numbers does 007 have?
Leading zeros are not significant digits, therefore 007 has one.
How do you round 0.0195 to 3 significant digits?
0.0195. Note that leading zeros are non-significant.
Why are leading zeros to the left of non-zero digits not significant?
because they're place holders
