Cubes are three-dimensional square shapes that have equal sides. what is the density of a cube that has a mass of 12.6 g and a measured side length of 4.1 cm? (density: d = m/v)

when a device is used in a circuit in which the voltage is 81 v, the current flowing through the device is 3 a. what is the resistance of the device?

a. 27 ω

b. 40.5 a

c. 243 ω

d. 243 a

the correct answer is a. 27

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).

a.   mass number from atomic number