What is the volume of an object whose dimensions are 5.54 cm, 10.6 cm, and 199 cm? round your answer to the correct number of significant figures.
a. 117 cm3
b. 1.20 × 104 cm3
c. 1.17 × 104 cm3
d. 11686.076 cm3

D. 11686.076 cm^3.

Explanation:

Assuming that this is a prism the volume is:

5.54 * 10.6 * 199

= 11686.076 cm^3.

answer: c. the experiment shows that the red substance experienced a chemical change.

explanation: chemical change is the change in which chemical composition of the substance changes. physical change is the change in which there is no change in chemical composition.

chemical changes are accompanied by following changes:

a) precipitate formation

b) energy is released or absorbed

c) formation of bubbles

d) change in color

as it is given that the red color has disappeared and there is production of gas, it means the red substance has undergone a chemical change.

e