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7800 / 2 is equal to 3,900.
The number halfway between 7800 and 8200 can be found by calculating the average of the two numbers. Adding 7800 and 8200 gives a total of 16000. Dividing this sum by 2 gives the number 8000, which is the halfway point between 7800 and 8200.
7800 is divisible by:2 - because it is 2 if it is even3 - the sum of its digits (7+8+0+0 = 15) is a multiple of 3 :4 - the last two digits is a multiple of 45 - it ends or 5 with 06 - it is divisible by 2 and 38 - the last three digits (800) is multiple of 810 - it ends with 0
45 60/3 = 20 50/2 = 25 Then 20 + 25 = 45
The sum of 45 and 246 is 291.
Well, isn't that a happy little math problem! Let's add 3627 and 4187 together. That gives us 7814. Now, let's round 7814 to the nearest hundred. Since 7814 is closer to 7800 than 7900, the sum of 3627 and 4187 rounded to the nearest hundred is 7800.
-45
! kw = 1000 watts 7800 kw = 7800 x 1000 watts = 7800 000 watts
16 + 45 = 61
It is: 45+13 = 58
−45 + 17 = -28
The sum of 30 and 45 is 75.