Question by falcon handsome

31/03/2017 at 17:14

(a) How many such numbers are there?

(b) How many of these numbers are old?

Futeruno Kanzuki Coordinator 31/03/2017 at 20:19

a) There are : 7 x 7 x 6 x 5 = 1470 numbers

b) There are : 4 x 3 x 2 x 1 = 24 old numbers
FA KAKALOTS 09/02/2018 at 21:45

ANSWER :

a,There are : 7 x 7 x 6 x 5 = 1470 ( numbers )

b,There are : 4 x 3 x 2 x 1 = 24 ( old numbers )

[hiu] Easy,right ?
Cố Lên Nào Các Bạn 08/04/2017 at 10:53

ANSWER :

a,There are : 7 x 7 x 6 x 5 = 1470 ( numbers )

b,There are : 4 x 3 x 2 x 1 = 24 ( old numbers )

Easy,right ?
Indratreinpro 05/04/2017 at 13:08

a) There are : 7 x 7 x 6 x 5 = 1470 numbers

b) There are : 4 x 3 x 2 x 1 = 24 old numbers