Question

Which number sentence is not true?A.|-4.5| = 4.5 B.|0| < |-45| C.|45| > 0 D.|4.5| > |-45|

Answer 1

D

Explanation:

Reminder that | x | = | - x | = x

A

| - 4.5 | = 4.5 ← True

B

| 0 | = 0 and | - 45 | = 45 ⇒ 0 < 45 ← True

C

| 45 | = 45 and 45 > 0 ← True

D

| 4.5 | = 4.5 and | - 45 | = 45 and 4.5 < 45 ← False

Answer 2

B.|0| < |-45|

Explanation:

B is right because -45 is a negative and 0 isn't, 0 is bigger than -45. And A. C. and D. are all correct.