Acubic piece of metal measures 2.50 cm on each edge. if the metal is nickel, whose density is 8.90 g/cm3, what is the mass of the cube?

express your answer using three significant figures.

Why does his teacher ask him to balance the equation by including the correct coefficient

Which statement is true about the model of the electromagnetic spectrum a: it change the frequencies of light. b: it compare wavelengths of light. c: the color of light waves can be changed using the model. d: the intensities of light waves can be decreased using the model.

Mr. rose asked his student to draw a quadrilateral with four unequal sides. an example of this kind of quadrilateral