Vocab
A(n) ___ is used to raise a number to a power.
Exponent
A number that can be written as a fraction is called a ________________ number.
What is a rational number.
Write each expression using exponents.
x * x* x
x3
Find each product or quotient. Express using positive exponents.
3^5 * 3^-2
33
Express each number in standard form.
9 x 10-2
0.09
A(n) ___ is any number that is rational or irrational.
Real Number
A number that is non-terminating and non-repeating is a _______ number.
Irrational Number
Write each expression using exponents.
f*f*g*g*g*g
f2g4
Find each product or quotient. Express using positive exponents.
(-7)*(-7)^4
(-7)5
Express each number in standard form.
2.52 x 105
252,000
A(n) ___ is a number, variable, or the product of numbers and variables.
Monomial
Write .85 as a fraction in lowest terms. (Hint: Read the number)
What is 17/20?
Evaluate each expression.
35
243
Find each product or quotient. Express using positive exponents.
9^4 /9^5
1/9
Express each number in scientific notation.
47,000
4.7 x 104
You can use ___ as a shorter way to write numbers that are really really big and really really small.
Scientific Notation
Solve the equation:
x^2 = 81
x = 9 or -9
Evaluate the expression.
4^0*5
5
Find each product or quotient. Express using positive exponents.
k^10 / k^4
k6
Express each number in scientific notation.
0.000561
5.61 x 10-4
If x3=y, then x is the ___ of y .
Cube root
The square root of 7 is not a perfect square, but can be found between these two whole numbers on the number line.
< sqrt(7) <
2 < sqrt(7) < 3
Simplify the expression so that it does not have any negative exponents.
(w-3x2)2
x^4/w^6
Find each product or quotient. Express using positive exponents.
(2h^7)(6h)
12h8
The mass of the Sun is 1.98892 x 1015. Express in standard form.
1,988,920,000,000,000