Here is the solution..x equals to √3..which is equals to 1.73205
So we have three numbers
x
x+12 (a number 12 more than our original one)
x-12 ( a number 12 less than our original one)
the sum of all these numbers was 15, thereful:
x+x+12+x-12=15
3x=15
x=5
mikes original number is 5
Answer:
C
Step-by-step explanation:
Cause C met the rules of scientific notation which is:
- (First digit of the number) followed by (the decimal point) and then (all the rest of digits of the number) times (10 to an appropriate power)