Determine the answer to the following equation with correct number of significant figures: 106 ÷ 9.02 × 1.9 = 

A) 22.32816

B) 22.328

C) 22.3

D) 22

E) none of the above

Answer: D

Determine the answer for the equation below with correct number of significant figures: 1.2 × 1.79 = 

A) 2.148

B) 2.15

C) 2.1

D) 2.2

E) none of the above

Answer: C

Determine the answer for the equation below with correct number of significant figures: 3.215 × 13.2 ÷ 0.218 = 

A) 194.669

B) 195

C) 194.7

D) 194.67

E) none of the above

Answer: B

How many significant digits should be reported in the answer to the following calculation? (4.3 - 3.7) × 12.3 =

A) 1

B) 2

C) 3

D) 4

E) none of the above

Answer: A

In which set do all elements tend to form anions in binary ionic compounds?

A) Li, Na, K

B) N, O, I

C) C, S, Pb

D) K, Fe, Br

Answer: B) N, O, I

Write the name for FeS.

A) iron sulfide

B) iron (I) sulfide

C) iron (I) sulfate

D) iron (II) sulfide

E) iron (II) sulfate

Answer: D) iron (II) sulfide