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Is the sum in adding or subtracting?
when you add numbers, you get a sum. when you subtract numbers, you get a difference. (also in multiplication it's product, and in division is quotient.)
How many such pairs of digits are there in number 36725918 each of which has as many digits between them in the number as when the digits are arranged in descending order within the numbers?
The number is: 36725918 In descending order that is: 98765321 The pairs of numbers that have as many digits between them in both are: 3,9 5,8 6,7 So there are three pairs.
How many perfect numbers are there?
There is no way to determine the amount of perfect numbers there are. The number could be infinite, but this has yet to be proven. It has also yet to be proven if there are any odd perfect numbers.
How do you add or subtract decimals?
how do we add or subtract decimal? its the same thing as using regular subraction and addition. Example: 12.4 +8.1 ______ =20.5 The same in subtraction! Just keep the decimals alligned!
Sum of the numbers from 50 to 100 that are divisible by 3?
There are eight pairs of numbers divisible by three that sum to 150, and 75 is also divisible by three, so: sum = 17 * 75 = 750 + 525 = 1275
