Exponents
Write 4x4x4x4x4x4x4 in exponential form.
47
Evaluate: (22)3
43 = 64 or 26 = 64
Is the following expression written in scientific notation? If not, explain why. 3.25 + 10-7
No, it should be multiplied, not added.
Solve the expression. Write your answer in scientific notation. (3.7 x 109) + (9.04 x 109)
12.74 x 109 = 1.274 x 1010
Is -28 the same answer as (-2)8? Explain.
No, without parentheses () the answer will be negative, with them the answer will be positive.
A whole number is
What is "0" and counting numbers, i.e. 0,1,2,3,4...
What whole numbers does the square root of 13 come between?
What are 3 & 4
(sqrt 14)
What is irrational.
______ is a decimal which has a final digit (aka it stops).
What is a terminating decimal
Write 35 in expanded Form.
3x3x3x3x3
Simplify: (4y)3
64y3
The mass of Jupiter is approximately 1,900,000,000,000,000,000,000,000,000 kg. Write the mass of Jupiter in scientific notation.
1.9 x 1027
Solve the expression. Write your answer in scientific notation. (8.45 x 10-7) - (6.9 x 10-7)
1.55 x 10-7
Shelly's work is shown below: (54)(5-3) = 5 Is Shelly correct? Explain.
Yes, 4+-3 = 1. 51=5
Name three consecutive integers
What is ...-1, -2, -3, 0, 1, 2, 3...
What whole numbers does the square root of 40 come between?
What are 6 & 7
4/5
What is rational.
A rational number is any number that can be written as ____.
What is a fraction or ratio
Evaluate the expression, (-3)3
-27
Simplify: (x5)(x9)
x14
The mass of a Monarch butterfly is about 9.5 x 10-3. Write this number in standard form.
.0095
The surface of the Earth is water and land. The approximate total surface area of Earth is 5.1 x 108 km2 and the approximate total surface area of water is 361,000,000 km2. About how much of Earth's surface area is land?
1.49 x 108
Is the following number written in scientific notation? Why or why not? 13.79 x 107
No, 13.79 is greater than or equal to 10.
The only difference between whole numbers and natural (counting) numbers.
What is zero.
What whole numbers does the square root of 99 come between?
What are 9 & 10
The number of students in a classroom.
What is rational.
Which of the following is an irrational number: √49 √144 √62
What is √62
Evaluate the expression, (149)0
1
Simplify: (36x4y3)/(6xy2)
24y
The size of the Sahara desert is about 3.629 x 106 square miles and the Arabian desert is about 9 x 105 square miles. Which desert is larger? Explain how you know.
Sahara, because the exponent is bigger.
Humpback whales are known to weigh as much as 8 x 104 pounds. The tiny krill they eat weigh only 2.1875 x 10-3 pounds. Approximately how many times greater than krill are humpback whales?
4 x 107
The mass of Mars is about 6.4 x 1023 kg. It would take about 2,970 of the planet Mars to equal the mass of Jupiter. What is the mass of Jupiter?
1.9008 x 1027
3.12703182091809... falls into what set(s) of numbers?
What are irrational numbers and real numbers.
What is the approximate value of the square root of 30? Round to tenth.
What is 5.4
The circumference of a circle.
What is irrational.
Why is pi considered an irrational number?
What is because it is a non-repeating non-terminating decimal.
Evaluate the expression, 9-2
1/81
Simplify: (5x2)3/(7y9)0
125x6
The size of the four oceans, in square km, is shown below. List the oceans from smallest to largest. Pacific Ocean - 1.7965 x 108, Arctic Ocean - 1.323 x 107, Atlantic Ocean - 1.061 x 108, Indian Ocean - 7.49 x 107
Arctic, Indian, Atlantic, Pacific
A computer can perform 4.66 x 108 instructions per second. How many instructions is that per minute? Per hour? Write your answers in scientific notation.
Per Second = 2.796 x 1010 Per Hour = 1.6776 x 1012
Jahliek solved the problem shown below: (2 x 104)(1.8 x 106) = 3.6 x 10-2 Is he correct? Explain.
No. He was supposed to add the exponents, not subtract.
√144 falls into what set(s) of numbers?
What are whole numbers, integers, rational numbers and real numbers.
What is the approximate value of the square root of 72? Round to tenth.
What is 8.5
- sqrt (200
- sqrt (200
85/15 is a __________ (repeating or terminating) decimal.
What is repeating decimal,
5.bar 6