Rational Numbers
what's an example of a rational number?
1/3
what's an example of an irrational number
√5
What's the correct equation format for the Pythagorean theorem ?
a^2+b^2=c^2
x6 / x2
x4
Choose the number that is written in scientific notation.
7.8 x 103
What is the decimal equivalent of 3/5?
0.6
What do we call √ ?
radical symbol
Where is the hypotenuse located ?
opposite of the right angle
When dividing powers with the same base, you _______________ the exponents.
Subtract
Which of these numbers is the smallest?
3 x107
a rational number can be written as a fraction
true
Between which two whole numbers is the
√5?
2 and 3
when is Pythagorean Theorem used ?
its used when giving two sides of a right triangle in order to find the third side
According to exponent rules, when we raise a power to another exponent we _______ the exponents.
multiply
To compare two numbers that are in scientific notation, first compare the ________ . If they are the same, then compare the ___________.
exponents; decimals
change 125% to a decimal
1.25
between what two integers is the square root of 44
6 and 7
if a=8 and equals 4 whats does equal to?
4√5
Simplify the expression:
c4⋅c3=
c7
Place the following numbers in order from least to greatest:
7.8 x 106, 5.1 x 104, 1.25 x 105, 4.09 x 104
4.09 x 104,
5.1 x 104,
1.25 x 105,
7.8 x 106
order the numbers from least to greatest.
-2, |8|, 5, |-10|, 6
-2, 5, 6, I8I, I-10I
Is the following number rational or irrational? (π / 2)
Irrational
if c=20 and b=9 what does a equal to
√ 319
Simplify the expression: 3x2⋅x2=
3x4
The diameter of the planet Mercury is
4.87 x 103 km. The diameter of the planet Venus is 1.21x104 km. The diameter of the planet Mars is 1.28 x 103 km.
Which planet has the smallest diameter?
Mars