Question

4. Find the sum of all possible 3-digits numbers that can be formed by using 0, 2 and 7, where the
repetition of the digits is not allowed.
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,
,
,
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please send me answer step by step this was very urgent because from 31|08|2020 to 07|09|20 and first test on 31|08|2020 is maths please tell me​

Answer 1

Answer:

1899

Step-by-step explanation:

for 3 digit nos without repetition with 0,2,7

the nos formed are 207,270,720,702

adding all the nos gives 1899