In an experiment, the variable deliberately changed by the scientist is called:
A: the manipulated variable
B: the controlled variable
C: the responding variable

Numbers in scientific notation must be expressed in this form where: M x 10ⁿ
A: M is one and n is greater than or equal to one but less than ten.
B: M is greater than or equal to one but less than ten, and n is one.
C: n is greater than or equal to one but less than ten.
D: M is greater than or equal to one but less than ten

Which of the following is in correct scientific notation?
A: 16.5 x 10³
B: 3.0 x 3³
C: 1.3 x 10³
D: 0.54 x 10³

Express 0.0003 in correct scientific notation.
A: 0.0003 x 10¹
B: 3 x 10⁴
C: 3 x 10^-4
D: 0.3 x 10⁴

Multiply 3 x 10² times 2 x 10^-3
A: 6 x 10^-1
B: 6 x 10¹
C: 6
D: 6 x 10⁵

What is the volume of a cube if each side measures 2.0 cm?
A: 8.0 cm
B: 8.0 cm³
C: 2.0 cm
D: 6.0 cm³

(Answers: A, B, C, C, A, B)

 

 

 

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