Is the following number rational or irrational
0.33333 (3 repeating) and WHY?
rational because it repeats
100
the (square root of 15) is between what two whole numbers?
it is between 3 and 4
100
Which is the best estimate of the value of 3 sqrt (8)?
8.4 is the best estimate of 3 sqrt 8
100
Solve the exponent 8^3 leave answer in standard form.
512
100
What is .0000058 written in scientific notation?
5.8 X 10 ^-6
200
What is the definition of a rational number?
a number that can be expressed as a simple fraction or a decimal that repeats or terminates
200
The (Square root of 213) is between what two whole numbers?
it is between 14 and 15
200
Which is the closest value of sqrt (90) - (4/11) ?
9.1
200
solve the exponent, make sure answer has a positive exponent 8^-3? Leave answer in standard form.
1/ 512
200
what is 6.92 X 10^ -3 written in standard form?
0.00692
300
Is the following number rational or irrational and WHY?
(square root of 6)
irrational because it does not repeat or terminate
300
Put these numbers in order from least to greatest
.27, 2. 777, sqrt (2), 2.75
from least to greatest
sqrt (2), .27, 2.75, 2.777
300
What is the best estimate of the value of (pie)^3?
(pie) ^3 = Pie * pie * pie = 31.006...
300
solve the problem make sure to leave answer with positive exponents and leave answer in exponential form
6^4 * 6^5 * 6^7 =
6^16
300
Find the product (1.9 x 10^3) (4.5 X 10^2)
8.55 x 10 ^ 5
400
Which statement is NOT correct? WHY?
1. A rational number can be written as a ratio
2. An irrational number can be written as a fraction
3. An irrational number can be written as a decimal
4. an irrational number has endless non-repeating digits
An irrational number can be written as a fraction is NOT correct, because an irrational number cannot be expressed as fractions.
400
Put these numbers in order from greatest to least
(98/300) , , 2.449489743, 3.14159265, (7/3)
3.14159265, 2.449489743, (7/3), (98/300)
400
What is the closet value or sqrt (24) + sqrt (18) ?
a. 9.1
b. 8.9
c. 4.2
d. 2.1
A. 9.1
400
solve the problem and make sure to leave positive exponents. leave answer in exponential form
(d^4 * e^7) / (d ^ 6 * e ^ -2) =
e^9 / d^ 2
400
Find the Quotient (2.89 x10^2) / (3.4 x 10^-2)
0.85 x 10^4 -->put in scientific notation 8.5 x 10^5
500
What is the decimals expansion of 3/11 and is the number rational or irrational and WHY?
decimal expansion is = .27272727...
the number is rational because it repeats
500
Which symbol ( = , <, >, +) makes the statement true? and WHY?
sqrt 2 ____ 1.7320508...
< because sqrt 2 is (1.414213562...) and is less than 1.7320508...
500
Explain why sqrt (2) and 1.5811388... are irrational numbers? And then fill in the blank (=, <,>, +)
sqrt (2) ___ 1.5811388...
They are irrational because they do not repeat nor do they terminate and <
500
solve the problem make sure to leave positive exponents, leave answer in exponential form.
(11 ^6) ^2 =
11 ^ 12
500
A rectangle section of land made up of wheat farms has a length of 5 X 10^4 meters and a width of 6 X 10^3 meters. What is the area of the land in square meters?
30 X 10 ^7 --> change into scientific notation 3.0 X 10 ^6 square meters