Question

http://prntscr.com/hhtxen

Answer 1

@Warriorz13

Answer 2

@Zepdrix

Answer 3

@Vocaloid

Answer 4

5/4 is the quotient of two rational numbers. does that make 5/4 rational or irrational?

Answer 5

irrational?

Answer 6

remember that rational numbers are closed under division

if you divide any two rational numbers the result is rational

Answer 7

sqrt(100) and 7.3 are correct (rational)

0.002475 is a terminating decimal and all terminating decimals are rational

Answer 8

sqrt(4/9) simplifies to sqrt(4)/sqrt(9) = 2/3
is 2/3 rational or irrational?

Answer 9

Irrational

Answer 10

2 and 3 are rational making 2/3 also rational

Answer 11

2/24 is irrational?

Answer 12

good, sqrt(2/24) is irrational

Answer 13

the last one (0.0111repeating) is rational by virtue of it having repeating decimal unit