Irrational Numbers
Define irrational
A number that can not be expressed as a fraction or a whole number. Usually a repeating decimal
When a you are multiplying two numbers with the same base but different exponents, what do you do to the exponents?
Add
What is 5,000 in scientific notation?
5 x 103
Solve: 4(5x+2)
20x+8
What is the square root of 9?
3
Is pi rational or irrational?
Irrational
When do you multiply the exponents?
You multiply the exponents when there are exponents inside the parenthesis and there is another exponent on the outside of the parenthesis.
What is 35,750,000 in scientific notation?
3.575 x 107
Solve: (8.75x106)-(3.25x102)
8,749,675
What is the cube root of 64?
4
Is the square root of 20 rational or irrational?
Irrational
What do you do when there is a number with the same base but different exponents and you are dividing?
Subtract
What is one million in scientific notation?
1 x 106
Solve: 96x90/93
729
63
216
What is the square root of 2?
1.414213562.........................
What do you have to do to the exponents? What do you get?(95)7
Multiply, 935
What is 345,000,000,000 in scientific notation?
3.45 x 1011
Solve for x: 3x+6x-4=32
x=4
What is the cube root of 121?
11
Is the cube root of six rational? Explain why or why not
No because rational number are terminating or can be turned into a decimal, fractional or whole number.
Solve: 96/92
94
What is 2.53u10?
25,300,000,000
Show how to solve this equation
3(4-2x)=2(x-4)
3(4-2x)=2(x-4)
12-6x=2x-4
16-6x=2x
16=8x
x=2
What is the cube root of 3,375?
15