Repeating Decimals as Fractions
Write 0.2222222... as a fraction
2/9
True or False. Is 0 a natural number?
False. 0 is a whole number
Is the sqrt(16) a perfect square?
Yes, 4*4
What is 10^0
1
Express 3.92 x 10^-6 in standard form?
0.00000392
Write 0.7777777... as a fraction
7/9
Is 0.23 rational or irrational?
Rational
What is the cuberoot(64)?
4
What is (3^4)^2
3^8
Express 8.5 x 10^5
850,000
Write 0.12121212... as a fraction
12/99 or 4/33
What category do negative numbers fall under?
Integers
True or False. When we take the square root we technically have two solutions.
True. +/-
What is 7^8 * 7^1
7^9
Express 5.2 x 10^6 in standard form
5,200,000
Write 3.01111111... as a fraction
3 1/90
Is the sqrt(3600) rational or irrational?
Rational
True or False. 729 is a perfect cube.
True
What is 7^2 * 4^2?
What is 74,745,000,000 in scientific notation?
7.4745 x 10^10
Write 0.253535353... as a fraction
251/990
Which numbers are irrational?
11, sqrt(15), -14, 5/7, 9/4, 0.151151115...
sqrt(15) & 0.151151115...
True or False. 32 is neither a perfect square nor a perfect cube
True
What is 12^8/12^4?
12^4
What is 823,400,000,000,000 in scientific notation?
8.234 x 10^14