Add the digits together. The sum of the digits of 23 is 5.
34.
None of the digits need be estimated.
192
Find a four digit number whose digits will be reversed when multiplied by nine?
The estimated trillion digits of pi are 27 trillion digits. An exact equal value would require an infinite number of digits and cannot be proved to any exact trillions.
Add the digits together. The sum of the digits of 23 is 5.
45
26
There are about 10-11 digits in a number
Add the digits together. The sum of the digits of 23 is 5.
34.
None of the digits need be estimated.
maths
You can find it on the left side of the size of the tire. It will follow the DOT number in a square and made of 4 digits. First two digits are the number of weeks and the second two digits are the year of manufacturing.
1
To assess the number of significant digits in a number, you first have to find the greatest non-zero digit. In this case it is the first five which represent 500. The next step is to simply count how many digits there are after this number. In this case, there are 4 more digits. Thus the number 500.95 has been given to 5 significant digits.