Mathematics Evaluation

Which of the following statements is correct ?

• A. 0.0010 has one significant figures

• B. 200 has two significant figures

• C. 100.00 has five significant figures

• D. 0.003280 has three significant figures

If x to the ¾ power equals 8, x is equal to:

• A. – 9

• B. 6

• C. 16

• D. 9

Factor the expression x^3 + 8 as completely as possible:

• A. ( x – 2 ) ( x^2 + 2x + 4 )

• B. ( x + 4 ) ( x^2 + 2x + 2 )

• C. ( - x + 2 ) ( - x^2 + 2x + 2 )

• D. ( x + 2 ) ( x^2 – 2x + 4 )

The number 34,787.00 has how many significant digits?

• A. 5

• B. 6

• C. 7

• D. 3

Which of the following is a prime number ?

• A. 377

• B. 313

• C. 357

• D. 333

When rounded-off to four significant figures, 102.4886 becomes:

• A. 102.4

• B. 102.4889

• C. 102.48

• D. 102.5

Which of the following is not a rational number?

• A. 5

• B. 0.227272727....

• C. 1/4

• D. √2

The most significant digit of the number 0.2015 is

• A. 0

• B. 1

• C. 2

• D. 5

Solve for the value of x of the equation: x = 10

• A. 0.618

• B. 1.258

• C. 1.852

• D. 0.453

If xy^9 = 27 and yz^8 = 16, then what is the value of x: y: z ?

• A. 1:3:6

• B. 3:1:2

• C. 6:2:1

• D. 6:4:3