What is the total resistance, in units of ohms, for the circuit shown in the diagram below when measured from the terminals on the left where r1 = 25 ohms, r2 = 26 ohms and r3 = 20 ohms?

(answer needs to be within one decimal place, in units of ohms.)

Which statement is the best definition of an atom? a) anything that has mass and occupies space. b) the smallest particle that has the properties of an element. c) a substance that cannot be broken down chemically into simpler substances. eliminate d) the smallest unit of a substance that exhibits all of the properties characteristic of that substance.