Exercises 7-42
Multiply, then simplify the product. Assume that all variables represent
positive real numbers.
Exercises 43-68
Rationalize the denominator. Assume that all variables represent positive real
numbers.
Exercises 69-82
Simplify. Assume that all variables represent positive real numbers.
Exercises 85-100
Rationalize the denominator. Assume that all variables represent positive real
numbers and that the
denominator is not zero.
Exercises 103-110
Write the expression in lowest terms. Assume that all variables represent
positive real numbers.
Exercises 5-12
Write the expression using exponents.
Exercises 15-22
Identify the base and the exponent for the exponential expression.
48) 3x12
A)Base:12,exponent:3x
B)Base:3x,exponent:12
C)Base:x,exponent:12
D)Base:12,exponent:x
Exercises 25-42
Simplify the expression. Use positive exponents. Assume variables represent
nonzero real numbers.
Exercises 43-62
Use the power rules for exponents to simplify. Write the answer in exponential
form.
Exercises 63-80
Simplify the expression. Use positive exponents. Assume variables represent
nonzero real numbers.
Exercises 83-86
Solve the problem.
52) Find the area of the figure.
Exercises 91-94
Use the formula A = P(1+r)^n to find the amount of money in the bank account
described. Use a
calculator, and round to the nearest cent.
53) P=$250, r=0.06,n=6
A) $454.63
B) $1590.00
C) $346,318,142,640,625.00
D) $354.63
Exercises 1-10
Evaluate.
Exercises 17-28
Evaluate the expression.
Exercises 29-52
Simplify the expression. Use positive exponents. Assume variables represent
nonzero real numbers.
Exercises 57-78
Use a combination of rules for exponents to simplify. Write answers with only
positive exponents.
Assume that all variables represent nonzero real numbers.
Exercises 11-30
Simplify the expression involving rational exponents.
Exercises 33-44
Write with radicals. Assume that all variables represent positive real numbers.
Exercises 47-56
Simplify by first converting to rational exponents. Assume that all variables
represent positive real numbers.
Exercises 57-82
Use the rules of exponents to simplify the expression. Write the answer with
positive exponents.
Assume that all variables represent positive real numbers.
Exercises 93-94
Solve the problem.
65) A formula for calculating the distance, d, one can see from an airplane to
the horizon on a clear
day is d=1.22*1/2,where x is the altitude of th plane in feet and d is given in
miles. How far
can one see in a plane flying at 27,000 feet? Round your answer to the nearest
tenth mile, if necexsary.
A) 16,470 miles
B) 200.5 miles
C) 181.5 miles
D) 1647 miles
Exercises 7-20
Multiply using the product rule.
Exercises 23-38
Simplify the radical. Assume that all variables represent positive real numbers.
Exercises 39-58
Express the radical in simplified form.