Exponents
Solve: 62
36
What is 8390000000 in scientific notation?
8.39 * 109
What is the square root of 9?
3
Side A is 3 meters. Side B is 4 meters. What is Side C?
5 meters
What is the difference between a rational number and an irrational number?
Rational numbers can be written as decimals that terminate or repeat. Irrational numbers can only be written as decimals that continue on with no apparent pattern.
Simplify: 174 x 1722
1726
What is 7.654 * 10-4 in standard notation?
.0007654
What two whole numbers will the square root of 7 fall between?
2 and 3
A triangle has sides with the lengths 7, 9, and 12. Is it a right triangle?
No. 72 + 92 does not equal 122
Give an example of a number that is not real.
(the square root of any negative number)
(any number divided by zero)
Solve: 3-4
1/81
(4.2 * 1013) * (1.1 * 107)
4.62 * 1020
The square root of 4/9, times the square root of 81/16
1 1/2
or 3/2
or 1.5
You have a right triangle with a leg that's 8 feet long and a hypotenuse that's 10 feet long. How long is the other leg?
6 feet long
Find a real number that's bigger than the square root of 81 and smaller than 33
Any whole number, fraction, or decimal between 9 and 27
15120
Please state your answer in scientific notation.
2.8 * 10-6
Find the approximate square root of 27 (Answer should be rounded to the nearest hundredth)
5.22 (the twos will keep repeating)
You drive from your house to your friend's house by going 8 miles north and then 15 miles west. How far away is your friend's house along a straight path?
17 miles
Real, rational, irrational, integer. Name all that apply for 2/7
irrational, real
.2857142... it will keep going on and on without any apparent pattern. That's why it's irrational. It is real because all rational and irrational numbers are real.
- (1/64)
(alternate answers: -1/64; 1/-64)
(1.2892 * 109) - (3.369 * 106)
Please state your answer in scientific notation.
1.285831 * 109
Find the approximate square root of 111 (Answer should be rounded to the nearest hundredth)
10.52
How far apart are the following points:
(-5, 9) and (18, -3)
(you can state your answer as "the square root of ____")
The square root of 673
(approximately 25.94)
Find the square root of 92
Now divide your answer by 4.
Real, rational, irrational, integer. Name all that apply to your answer.
Answer should be 9/4, or 2 1/4, or 2.25. That number is real and rational because the decimal terminates.