Module 1 Quizzes Flashcards
If a primatologist measures a gorilla’s mass to be 170.20 kg, how many significant figures are there in her measurement?
A. 6 B. 5 C. 4 D. 3 E. 2
B
Before using a warehouse space to install a sculpture, Yasmeen needs to determine the space’s volume to see if her large planned sculpture will fit. She measures the height of the space to be 4.1 meters, the width of the space to be 5.24 meters, and he length of the space to be 10.3 meters. What is the volume of the space? Make sure to use significant figures.
A. 220 m^3 B. 219 m^3 C 219.1368 m^3 D. 219.1 m^2
A
Cosmic rays are highly energetic particles which can travel at great speeds through outer space. A typical speed for a cosmic ray is 1.29 x 10^8 m/s. WHat is this speed converted to km/hr (kilometers per hour)?
A. 1.29 x 10^5 km/hr
B. 35.8 km/hr
C. 7.74 x 10^6 km/hr
D. 4.64 x 10^8 km/hr
D
Keisha looks out the window from a tall building at her friend Monique standing on the ground, 8.3 m away from the side of the building, as shown. If Keisha’s line of sight makes a 30° angle with the side of the building, what is Keisha’s height above the ground? Assume Monique is 1.5 m tall.
A. 14m B. 15m C. 16m D. 17m
C
A regulation soccer ball has a diameter of about 22.0 cm. What is the approximate circumference of this ball in inches (in)?
A. 13.6 in B. 175 in C. 69.1 in D. 27.2 in
D
