How many significant figures? fraction numerator 4.8864 x 0.00900 x 665 over denominator 87.885421 end fraction

What property is a characteristic of a substance that can be observed and does not change the identity of the substance

Which of these statements is true? a. quarks pair with leptons to form protons and neutrons. b. quarks pair with bosons to form photons. c. quarks pair with photons to form protons and neutrons. d. quarks pair with other quarks to form protons and neutrons. e. quarks pair with electrons to form protons.

The two required components for a generator are