Rational/Irrational Numbers
What is the difference between a rational and irrational number?
Rational numbers can be written as fractions.
Write 67,000,000 in scientific notation.
6.7 x 107
What is the rule for multiplying with exponents?
add
What two buttons do you press to make a square root?
What are the medals presented in the olympics?
gold, silver, and bronze
What type of decimal is irrational?
nonterminating, nonrepeating
Write 2.3 x 10-8 in standard notation.
.000000023
What is the rule for raising a power to a power with exponents?
multiply
What buttons do you press to make a cube root?
3, 2nd, ^
When is the first day of Spring Break?
March 14
rational
(1.35 x 107) + (2.78 x 103)
1.350278 x 107
Solve 33 x 34
2187
Solve the square root of 81
9
When is your third nine weeks test for math?
March 4
Is the square root of 65 rational or irrational?
irrational
(7.5 x 103)(2.6 x 102)
1.95 x 106
Solve 65 / 54
12.4416
Solve the cube root of 27
3
Pythagoras
Give two examples of rational and two examples of irrational numbers.
Rational: fractions, perfect squares, terminating decimals, repeating decimals
Irrational: nonterminating, nonrepeating decimals, pi, and imperfect squares
How many times larger is 6.5 x 107 than 3.7 x 105?
1.756 x 102
78061
What is the square root of 79?
8.89
What is the rule for functions?
No repeating x values