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WorksheetsQuiz 3
Total questions: 18
Worksheet time: 1hrs 26mins
If Ken’s salary were 20% higher, it would be 20% less than Lorena’s. If Lorena’s salary is $60,000, what is Ken’s salary?
$36,000
$40,000
$42,500
$42,850
$45,000
250% of x is increased by 250% to become 350. What is the value of x?
(a)
What percent of 13 is 20 percent of 195?
(a)
If 14 is added to 56, by what percent does the original number increase?
15%
17%
25%
21%
What is the percent increase from 50 to 60?
15%
20%
25%
30%
75 reduced by x% is 54. The value of x =
28
25
24
18
None of the above
What is 230% of 15% of 400?
128
135
138
142
45% of 80 is x% more than 24. The value of x =
50
55
60
65
70
How is 100,000 as a power of 10?
10^5.
3.1416.
Multiply the number by itself.
How do you find the square of a number?
Convert the numbers into scientific notation by using powers of 10.
Multiply the number by itself.
Define Pi
3.1416
3.1316
3.1415
What is a common method of making computations involving very large or very small numbers more manageable?
Multiply the decimal by the desired denominator. The result becomes the numerator in the fraction.
Convert the numbers into scientific notation by using powers of 10.
What is meant by the root of a number?
A root is 2 or more equal smaller number that, when multiplied together, equal the specified number.
A root is 3 or less equal smaller numbers that, when multiplied together, equal the specified number.
Describe the result of adding a large positive number and a smaller negative number.
The result is a smaller positive number because you ignore the addition sign and subtract.
The result is a larger positive number because you ignore the subtraction sign and add.
How do you convert a fraction into a decimal?
Divide the top number by the bottom number.
Divide the bottom number by the top number.
How do you divide one fraction by another?
You invert the numerators and multiply the divisor together and the denominators together.
You invert the divisor and multiply the numerators together and the denominators together.
How can you convert a decimal to a percent?
multiply the decimal by 100 and add the percent sign.
multiply the decimal by 10 and add the percent sign.
10 percent of 30 percent of what number is 200 percent of 6?
200
400
600
800
