Compare and Order
Compare and order the numbers from least to greatest.
2π, √51, 6 1/10
6 1/10 < 2π < √51
What are natural numbers also called?
Counting numbers.
√2 = ? Round to the nearest hundreths if necessary.
Approximately 1.41
Whole numbers are always integers. Explain.
True. Whole numbers is a subset of integers.
Convert 3500 to scientific notation.
3.5 x 10^3
Compare the two numbers. Use the symbols <,>, or = to represent your answer.
√50/2 and 4π/3
√50/2 < 4π/3 or 4π/3 > √50/2
Give an example of a number that is a whole number but not a natural (counting) number.
0
√121 = ? Round to the nearest hundreths if necessary.
11 and -11
Integers are always whole numbers. Explain.
False. Negative numbers are not part of the whole number subset.
Convert 5.43 x 10^-6 to standard notation.
0.00000543
What two integers does √66 fall between on a number line?
8 and 9
What set or subsets does √144 belong to?
Natural (counting) numbers, whole numbers, integers, rational numbers and real numbers.
√196 = ? Round to the nearest hundreths if necessary.
14 and -14
Irrational numbers are sometimes rational. Explain.
In scientific notation, when the power of ten is positive, what type of number can we most likely assume it is?
A large number compared to 1.
What two integers does -√ fall between on a number line?
-16 and -15
Give an example of a square root that is not rational.
Any non-perfect square root.
√155 = ? Round to the nearest hundreths if necessary.
Approximately 12.45
Square roots are sometimes rational. Explain.
True. Perfect square roots are natural numbers, which are rational numbers.
Convert 0.700652 to scientific notation.
7.00652 x 10^-1
Put the numbers in descending order.
-8.1, -8π/3, -√400/4
-√400/4 > -8.1 > -8π/3
What types of decimals are considered rational numbers?
Terminating decimals and repeating decimals.
√200 = ? Round to the nearest hundreths if necessary.
Approximately 14.14
3.14 is an irrational number. Explain
False. 3.14 is a terminating decimal, and is a rational number.
Convert 160.098 to scientific notation.
1.60098 x 10^2