FILL IN THE BLANK: Both irrational numbers and rational numbers can go on forever with decimal places. However, rational numbers need to be ________________ if they go on forever.
repeating
100
Write 0.2 as a fraction.
1/5
100
n^8 * n^-3 = ?
n^5
200
A student converted 9.5 X 10^4 to regular notation and got 950,000. Is he correct?
No, Too many Zeroes
200
Divide: (2.8 X 10^4) / (3.5 X 10^2)
80
200
Is sqrt(45) rational or irrational? How do you know?
Irrational, because it gives you a non-repeating decimal that goes on forever.
200
Write 5/6 as a decimal.
0.833333... (3 repeating)
200
n^-2 / n^-6 = ?
n^4
300
On a calculator the display reads 4.5 E -6. What does that mean?
4.5 X 10^-6, or 0.0000045.
300
Multiply: (5.4 X 10^-3)(1.4 X 10^8)
7.56 X 10^5
300
Is the cube root of 144 rational or irrational? What does it equal?
Irrational. 5.24148...
300
Write 0.27272727272.... as a fraction (27 repeating)
3/11
300
5^3 / 5^-10 = ?
5^13
400
What is 872 in scientific notation?
8.72 X 10^2
400
A truck needs to haul 8.5 X 10^5 tomatoes that each weigh 18 oz. How many total ounces is the load?
1.52 X 10^7 oz.
400
What two integers is -sqrt(65) between?
-8 and -9.
400
Write 0.56 as a fraction.
14/25
400
4^-3 should be written as what?
1/(4^3) or 1/64
500
What is 0.005000038 in scientific notation?
5.000038 X 10^-3
500
The United States has a population of about 3.2 X 10^8 people. Trinidad and Tobago has a population of about 1.3 X 10^6 people. How much bigger is the United States's population?