Real numbers - practice problemsDirection: Solve each problem carefully and show your solution in each item.
Number of problems found: 147
Calculate the reciprocal numbers for the given real numbers.
- Is equal
Is it equal following terms? -9 21 = (-9) 21
- Round 19
Round 644.4 to the nearest one.
- How many 22
How many decimal places would the product of 2.79 and 0.0043 have?
- The diameter 2
The diameter of the Earth is 12,756 kilometers. If Mercury's diameter is about 7,876.6 kilometers shorter than Earth's, what is Mercury's diameter?
- Write 3
Write a real-world problem involving the multiplication of a fraction and a whole number with a product between 8 and 10, then solve the problem.
- Numbers 5276
What is 2/3 of the sum of numbers (0.10) and (-5.3)?
- Difference 8062
Calculate three times the half difference of 7.5 and 2.1,
- During 2
During the 2006 Olympics, a gymnast received the following scores: 8.9, 9.2, 9.15, and 9.05. What is the sum of the gymnast's scores?
- Which 8
Which among the following real numbers below is the least? A. 5/8 B. 0.75 C. 7/10 D. 35/99
- Bubble bee marbles
Mark has 100 marbles. Seventeen are bubble bee marbles. What decimal number shows the fraction of marbles that are bumblebees?
- Greater 68534
How many times is the number 0.045 greater than the sum of 0.006 and 0.003?
- Closest natural number
Find the closest natural number to 4.456 to 44.56 and 445.6.
- Expressions: 2381
Determine the values of the following expressions: a) 3² - (- 4) b) 4-321 c) -32-7
- Decimal number
I am a decimal number between 0.3 and 0.5. the digit in my hundredth place is five more than the digit in tenth place, off the number in tenth place is 4. what is the number?
- Expanded form
What is the expanded form of 0.21?
- Two midpoints
Point A is on a number line halfway between -17 and 5. Point B is halfway between points A and 0. What integer does Point B represent?
- Difference 5269
Calculate the difference between the sum of the numbers 1.04 and 0.56 and the product of the numbers opposite to them.
- Sum of absolute values
Is it possible for |r| + |s| = |r+s|? If so, when?
- Sorting ASC
Which group of decimals is in order from least to greatest? A) 1.04, 0.39, 0.8, 2.1, 0.09 B) 2.1, 1.04, 0.39, 0.8, 0.09 C) 0.09, 0.39, 0.8, 1.04, 2.1 D) 0.09, 0.39, 0.8, 2.1, 1.04