1. If a,b ,c ,d and are four different digits from 1 to 9 , inclusive, then what's the largest possible value for the decimal a.b + c.d?

2. If a,b ,c ,d and are four different digits from 1 to 9 , inclusive, then what's the largest possible value for the decimal a.b - c.d?

3. If a,b ,c ,d and are four different digits from 1 to 9 , inclusive, then what's the largest possible value for the decimal a.bc + 0.d?

weredumbmaster22 Mar 11, 2021

#1**+2 **

1. If a,b ,c ,d and are four different digits from 1 to 9 , inclusive, then what's the largest possible value for the decimal a.b + c.d?

9.8 + 7.6 = 17.4

2. If a,b ,c ,d and are four different digits from 1 to 9 , inclusive, then what's the largest possible value for the decimal a.b - c.d?

9.8 - 1.2 = 8.6

CPhill Mar 11, 2021

#2**+1 **

3. If a,b ,c ,d and are four different digits from 1 to 9 , inclusive, then what's the largest possible value for the decimal a.bc + 0.d?

Less sure about this one...I get

9.86

+ 0.7

_______

10.56

CPhill Mar 11, 2021

#5**+1 **

Yes Mr.CPhill it i correct, i am glad i made a account on web2.0 calc a very wise decision...!!!!

weredumbmaster22 Mar 11, 2021