+0

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

0
484
6
+451

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?

Mar 11, 2021
edited by weredumbmaster22  Mar 11, 2021
edited by weredumbmaster22  Mar 11, 2021

#1
+121060
+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

Mar 11, 2021
#2
+121060
+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?

9.86

+ 0.7

_______

10.56

Mar 11, 2021
#3
+451
+1

#2 and 3 are correct but #1 isnt??

Mar 11, 2021
edited by weredumbmaster22  Mar 11, 2021
#4
+121060
+2

Yeah....I see I can get something larger

9.7  + 8.6    =  18.3   maybe  ???

CPhill  Mar 11, 2021
#5
+451
+1

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

Mar 11, 2021
#6
+121060
+1

Glad you are with us   !!!!

CPhill  Mar 11, 2021