9.1
what is 7/9 written as a decimal?
0.7 repeating
Give me an example of an irrational number.
TONS of options
3 1/3 ____ 3.333
=
(-2)^0 = 1 True or false
True
2^0 * 2^3 =
2^3 = 8
2.3
Explain the difference between irrational numbers and rational numbers.
Irrational are decimals that never end. Rational are whole numbers, positive and negative and decimals that repeat or terminate.
compare pi _____. square root of 10
<
Express the fraction 1/15^7 as a negative exponent
15 ^-7
8^-3 * 8^2 * 8^0 =
8^-1 = 1/8
Participants jumped rope for 19 minutes during an hour-long gym class. What part of the hour was spent jumping rope? Write your answer as a decimal.
0.316 , with the 6 repeating
Estimate square root of 85 to the nearest tenth.
9.2
Compare >, <, or =. 69/19 _____ square root 10
>
a^6 * a^-9 =
1/a^3
Simplify the expression. (3a^4)(-6a^3)
-18a^7
A farmer moved 12 out of 18 cows to another area on the farm. What is the fraction, written in decimal form, of the cows that moved?
0.6 repeating
Which of these are irrational? *write on board to see correctly* negative square root 196, 13 72/99, cube root of 10, 3pi
cube root of 10, 3pi
Order these from least to greatest
square root 2, 65.4%, 9/10, 28/13
65.4%, 9/10, square root 2, 28/13
Compare 5^-3 ____ -5^3
>
3^2 * 3^3 / 3^6 =
3^-1 = 1/3
A classmate says that three friends are going to evenly share $5 and each friend should get $1.70 each. How do you respond?
The classmate is wrong. 5 divided by 3 is not 1.70 evenly
Put these in order from least to greatest:
4, square root of 15, square root of 27, square root of 25, square root of 18, square root of 21
square root of 15, 4, square root of 18, square root of 21, square root of 25, square root of 27
Order these from least to greatest - creating a number line putting them in order. 2pi, square root 38, 6 7/8, square root 36
square root 36, square root 38, 2pi, 6 7/8
number line: 6, 6.15, almost 6.3, almost 6.9
Put these in order from least to greatest
10^0, 0, 10^-2, -10^2, 10^-5
-10^2, 0, 10^-5, 10^-2, 10^0
Simplify to a single base with a positive exponent
x^4 * x^-6 / x^-3 * x^5 =