1. Determine the number of significant figures in the following measurements: 13,465.m=
1,065 cm=
0.0045 g =
23,000 L=
0.0302 S=
160 kg =
1,030 mL =
1.500 gr
7,685 m=
3,054,000 L=

The particles of an ice cube at 0°c (represented by the blue circles) come in contact with the particles of juan’s hand at 37°c (represented by the orange circles). which diagram correctly represents the temperature of the two substances and the direction of heat flow?

The transfer of heat through the movement of a gas or liquid a. convection b. conduction c. radiation

Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?