Question

A typist starts to type the serial numbers of candidates in a list upto
500. How many times does she press the numeric keys?​

Answer 1

Answer:

500time if I right then make brainsliest answer

Answer 2

Step-by-step explanation:

9 1-digit = 9

90 2-digit = 90 x 2

401 3-digit = 401 x 3

401 x 3 = 1203

90 x 3 = 180

9 x 1 = 9

1203 + 180 + 9 = 1392 times

PLEASE MARK ME BRAINLIEST