Math, asked by rxchie, 1 year ago

how many three digit numbers can have exactly two 7s

Answers

Answered by sswaraj04

0

Answer:

Step-by-step explanation:

770

771

...

779

(10-1 )for 777

707

717

...

797

(10-1)for777

177

277

...

977

(9-1)for777

total 26

if any other possiibilities,let me know

Previous Question

Next Question

Similar questions

English, 6 months ago

Complte dialogues based on why it is pendrive...

Computer Science, 6 months ago

Which of the following is not CHART TYPE in Google Sheets? * Area Chart Column Chart Triangular Chart Scatter Chart ...

Chemistry, 6 months ago

Calculate the amount of water (H2O) in gram produced by the combustion of 80 g of ethane. ...

Social Sciences, 1 year ago

the partition of Bengal was a controversial step explain...

Chemistry, 1 year ago

iron +cupper sulphate produces copper + iron sulphate ...

Math, 1 year ago

Check whether, –150 is a term of the AP : 11, 8, 5, 2 . . .

History, 1 year ago

who was treaty of allahabad...

Math, 1 year ago

plz solve question 1 fast...