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Number Systems for Dummies
Decimals, Fractions and Percentage for Dummie
Word Problems for Dummies
Integers and Rational Numbers for Dummies
Rationalizing for Dummies
100
All numbers except those with non-repeating, non-stopping decimals
What is a rational number?
100
The fraction form of 0.15
What is 3/20?
100
The number of people to pass a math test if 3/5 passed out of a class of 33 fail
What is 13 people
100
The answer to -16^2
What is -256
100
Negative square root of 100
What is -10
200
Negative numbers are first introduced in this number system
What is an integer?
200
The percent of 7/8
What is 87.5%?
200
What X equals if the 3 digit number 2X4 is added to 345, resulting in 5Y9, and 5Y9 is divisible by 9
What is 0
200
(-5 7/8) - (7 6/11)
What is -12 29/88
200
Square root of 12 + 34 - 26 x -1 to the nearest hundredth decimal
What is 8.49
300
Lacking zero
What is a natural number?
300
The percentage of pizza eaten, when you eat 4/7 of it and your friend eats 2/8
What is 23/28?
300
The time it will take for two jet to be 3700 kilometers apart, if they both leave from the same place at the same time, and one is travelling 720 km/h, while the other is travelling 1260 km/h
What is 1 hour, 52 minutes and 7 seconds
300
(3 7/11) / (-5 2/5)
What is -200/297
300
The set of Rational and Irrational numbers
What are Real numbers
400
(+∞) + (-∞)= a number that is first introduced in this number system
What is a whole number?
400
The percentage of people who will get a job if 52 people apply for 10 jobs (to the nearest millionth of a percent)
What is 19.230769%
400
The number of hours a job would be completed in if four people, working seperately, finished in 6 hours, 4 hours, 12 hours, and 8 hours, respectively, were to work together.
What is 37 minutes and 30 seconds.
400
4 x 6 / 8 + (1/2 x 42) - (2^5)
What is -8
400
The estimation of the volume of a cylinder to the nearest whole, when the base is 8.3 cm and the length is 24.8 cm
What is 5024 cm3
500
The answer to 213.628300444 divided by 68 is a part of this number system
What is an irrational number?
500
The amount of pie left if one pie has 0.34 of its mass left, another has only 13% remaining, and the last pie has had 3/7 of its slices eaten (answer in fractions (lowest terms), decimals (to the nearest thousandth), and percent (to the nearest millionth), in that order)
What is 629/700, 0.899, and 89.857143%?
500
The time it takes for a pilot to fly from New York to London if the distance is 3400 km, and the pilot is travelling at 30% of 5600km/h for an hour before going 1/2 that speed for most of the way, then 5x that speed for the last 1000 km
What is 2 hours, 5 minutes, and 43 seconds
500
((2 4/5) + (30 x .75) x 52 / ((2^4) - (16 - 16%))) / ((23 167/234) x (3^8) + 1) [To the billionth decimal]
What is 0.002955471
500
The square roots of the perfect squares that make up 26344 in descending order (hint: Fermat)
What are 162 and 10