How many integers between 324,700 and 458,600 have tens digit 1 and units digit 3?

Which elements in the set below are integers? 12, –3⁄4,√ 25 , –7, √ 5 , 14⁄7, 9 a. 12, √ 25 , –7, 9 b. 12, √ 25 , –7, 14⁄7, 9 c. –3⁄4, 25 , √ 5 ,14⁄7 d. 12, –7, 9

Need solving this second acceleration problem.

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth