Deck 1: Basic Mathematics

Question 1

Convert 7/12 to a decimal.

A)0.583
B)1.714
C)19.83
D)84.00

Answer 1

0.583

Question 2

Mercury (Hg), a metal, is liquid at room temperature.Its density is 13.6 g/cm³.If you have 100 mL of Hg, how many grams do you have?

A)0.136
B)1.36 * 10^-3
C)136
D)1.36 * 10³

Answer 2

1.36 * 10³

Question 3

I = E/R + r; solve for r.

Answer 3

E - IR/I

Question 4

F = Gm₁m₂/r²; solve for m₁.

Question 5

P₁V₁/T₁ = P₂V₂/T₂; solve for V₂.

Question 6

The equation (x+y) ² can be expressed as:

A)x² + 2xy + y²
B)2x + 2y
C)x + 2xy + y²
D)x² + y² + xy

Question 7

The number of significant digits in 3.75 x 10⁴ is

A)two.
B)three.
C)four.
D)five.

Question 8

Change 23.46 to a percent.

A)0.2346 %
B)23.46 %
C)2,346 %
D) (2,346 %)

Question 9

Consider the following proportional relationship: x = ay/bd.Assuming all other quantities remain constant, what happens to the value of x when d decreases?

A)increases
B)decreases
C)remains the same
D)cannot be determined

Question 10

Convert 113°F to °C.

A)20.3°C
B)62.8°C
C)81°C
D)235°C

Question 11

Consider the following proportional relationship: x = ay/bd.Assuming all other quantities remain constant, what happens to the value of x when b increases?

A)increases
B)decreases
C)remains the same
D)cannot be determined

Question 12

Convert 540.7 to scientific notation.

A)5.407 *10²
B)5.407 * 10^-2
C)5.407 * 10³
D)5.407 * 10^-3

Question 13

V = 1/3 $\pi$ r²h; solve for $\pi$ .

Question 14

P = 2L + 2W; solve for L.

Question 15

Convert 87.3% to a decimal.

A)0.0873
B)0.873
C)8.73
D)87.3

Question 16

If you purchase four (4) twelve-packs of soda as a fundraiser for $10.00 and sell each can of soda for 50 cents, your profit is

A)$9.74.
B)$14.00.
C)$24.00.
D)$34.00.

Question 17

PV = nRT; solve for T.

Question 18

Consider the following proportional relationship: x = ay/bd.Assuming all other quantities remain constant, what happens to the value of x when the product of bd increases?

A)increases
B)decreases
C)remains the same
D)cannot be determined