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Exam
Name___________________________________
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
There are no exercises for this objective.
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Express the number in scientific notation.
Multiply using a special product formula.
Answer:
B
Explanation:
Indicate whether the expression is a polynomial. If the polynomial has a specific name – monomial, binomial, or
trinomial – give that name.
14y4+ 2y3+1
2y3– 0.7y – 1
Express the number in scientific notation.
Indicate the degree of the term.
Express the number in scientific notation.
Determine the cube of the expression by writing the expression as the square of an expression multiplied by another
expression.
(5x5– 19x4+ 20) – (8x5– 3x4– 12)
List the following numbers from smallest to largest.
7.7 ×10–2, 9.51, 1.2 ×102, 8.5 ×10–2
7.7 ×10–2, 8.5 ×10–2, 1.2 ×102, 9.51
7.7 ×10–2, 9.51, 8.5 ×10–2, 1.2 ×102
8.5 ×10–2, 7.7 ×10–2, 9.51, 1.2 ×102
7.7 ×10–2, 8.5 ×10–2, 9.51, 1.2 ×102
Perform the indicated operation by first converting the numbers to scientific notation. Write the answer in scientific
notation.
(200,000,000)(0.00003)(2000)(0.002)
D
Indicate the degree of the term.
Perform the indicated operation by first converting the numbers to scientific notation. Write the answer in scientific
notation.
(0.000015)(0.00002)
0.00005
Multiply using a special product formula.
(5x2+ 20x + 11) – (8x2– 7x + 18)
D)
Write the quantity without metric prefixes.
Express the number in scientific notation.
In a certain city, the bus system carried a total of 18,200,000,000 passengers.
A business projects next year’s profits to be $244,000,000.
Suppose that a rectangular solid has length 12 –3x, width 7–3x, and height x.
7–3x 12 –3x
First write a polynomial that represents the area of the base by multiplying the length by the width.
Use that polynomial to find the volume of the figure by multiplying the area of the base by the
height.
Simplify the expression by dividing out common factors. If the expression cannot be simplified by dividing out common
factors, so state.
Express the number in scientific notation.
A mountain’s peak is 14,800 feet above sea level.
If the mass of an object is 8.75028 ×10-2 tons and its density is 9.47 ×10-7 tons per cubic foot, find
the volume of this object. (Use the formula D =M
V and round to the nearest hundredth, if
necessary.)
8x3+ 4x2– 14x + 11
2x + 3
Add 1.4x3+7.3x2+4.1 and 6.8x –2.6 and –3.2x2+ x +9.6.
(12x2– xy –y2) + (x2+10xy +3y2)
Add 3
5x2– 3
5x – 1
4 and 3
4x2– 3
5x + 1
5.
Subtract (8n7– 18n5– 13) from (2n7– 13n5– 4).
Perform the indicated operation and express the number in decimal form (without exponents).
(-2x3+ 5.6x + 3) + (–4x2– 2.3x – 4)
Indicate whether the expression is a polynomial. If the polynomial has a specific name – monomial, binomial, or
trinomial – give that name.
Express the polynomial in descending order. If the polynomial is already in descending order, so state.
already in descending order
Indicate the degree of the term.
(2x5– 3x2+ 6) + (5x5– 8x2+ 6)
-15x3– 28x2+ 5x + 2
-5x – 1
Add 5x5– 4x3+ 8x and 2x5+ 8x3+ 7x.
Multiply using a special product formula.
-20y5–4y4–33y3+20y2–13y –6
-20y5+4y4–33y3+20y2–13y +6
20y6+4y4+33y3+20y2–13y +6
B
Perform the indicated operation by first converting the numbers to scientific notation. Write the answer in scientific
notation.
20,000,000,000,000
0.0000004
Express the number in decimal form (without exponents).
C
Multiply using a special product formula.
Express the polynomial in descending order. If the polynomial is already in descending order, so state.
already in descending order
D
2
5y2–3
6y – 2 –1
8y2+8
9y –7
Indicate whether the expression is a polynomial. If the polynomial has a specific name – monomial, binomial, or
trinomial – give that name.
(6x3+ 5x – 8) + (9x2+ 2x + 4)
Multiply using a special product formula.
C
Indicate whether the expression is a polynomial. If the polynomial has a specific name – monomial, binomial, or
trinomial – give that name.
Indicate the degree of the term.
Write the quantity without metric prefixes.
Multiply using a special product formula.
Multiply using a special product formula.
Express the number in decimal form (without exponents).