Practice Quiz

ASVAB Practice Math Questions

Category - Math - Hard

Start a Study Session Sign up for Question of the Day
If x=0.1, what is the value of 98x2-16.8x-1.7?
  1. -0.72
  2. -1.42
  3. -1.98
  4. -2.40
  5. -2.89
Explanation
Answer D- 98x2-16.8x-1.7 = 98 (0.1)2 - (16.8) (0.1) -1.7 = 0.98 -1.68 -1.7 =-2.40

Key takeaway: When you multiply a decimal number by another decimal number, the decimal shifts to the left. Count and total the number of digits to the right of the decimal points in all of the numbers you are multiplying and place the decimal in that position counting the digits from the right of the product.
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