118
All the numbers between 300 and 400 have a 3 as their first digit - that's 100 Ten of the numbers between 300 and 400 have a 3 as their second digit - that's 110 Ten of the numbers between 300 and 400 have a 3 as their final digit - that's 120
119
Well, darling, three quarters of 400 is 300. You take 400, divide it by 4 to get 100, and then multiply that by 3. Voila, you've got yourself 300. Math doesn't have to be complicated, honey.
120
400 of them.
To find how many times the digit '3' appears between 300 and 400, we look at the numbers from 300 to 399. The hundreds place always has '3' for these numbers, contributing one '3' for each of the 100 numbers (300 to 399). Additionally, the '3' appears in the tens place in the numbers 330 to 339, contributing another 10 occurrences. In total, there are 1 (from the hundreds place) + 10 (from the tens place) = 11 occurrences of the digit '3' between 300 and 400.
All the numbers between 300 and 400 have a 3 as their first digit - that's 100 Ten of the numbers between 300 and 400 have a 3 as their second digit - that's 110 Ten of the numbers between 300 and 400 have a 3 as their final digit - that's 120
400
119
300/400 = 3/4
330 is one such number.
Well, darling, three quarters of 400 is 300. You take 400, divide it by 4 to get 100, and then multiply that by 3. Voila, you've got yourself 300. Math doesn't have to be complicated, honey.
400 as a % of 300 million = 100*400/300 m = 4*104/(3*108) = 1.33...x10-4 = 0.000133....
450 is one of 3 possible answers.
120
400 of them.
Just erase all of the zeros! 300/400 in decimal form is 0.75 3/4 in decimal form is 0.75! Therefore, 3/4 is the reduced fraction of 300/400