Practice Quiz

SAT Math Practice Exam

Category - Mathematics - Hard

Start a Study Session Sign up for Question of the Day
If x= (0.05)2, y=1/ (0.05)2, and z= (1-0.05)2-1, which of the following is true?
  1. X=y=z
  2. Y<z<x
  3. Z<x<y
  4. Y< and x=z
Explanation
Answer: C - First simplify and express x ,y and z in decimal and then compare
x = 0.0025, y = 400 z = -0.0975
z <x<y
Key takeaway: While comparing decimal numbers or negative numbers, be careful and try to visualise mentally their position on the line number. Negative numbers are less than the positive numbers. And 0.09 is less than 0.01
Previous Next
Was this helpful? Upvote!
Login to contribute your own answer or details
Start a Study Session Sign up for Question of the Day

Top questions

Related questions

Most popular on PracticeQuiz