Which of the quantities below are not considered fundamental. (a) Mass (b) Lengt

Question

Which of the quantities below are not considered fundamental. (a) Mass (b) Length (c) Temperature (d) Density (e) Electric Current The mean, standard deviation, and standard error, involves: (choose one only) (a) systematic errors only (b) both systematic and random errors (c) personal errors only (d) random errors only (e) all types of errors The number 4500.0 contains two significant figure. (a) True (b) False Which of the following shows the correct way of expressing a quantity in Standard form? (a) 0.456 times 10 kg (b) 45.6 times 10^4 kg (c) 4.56 times 10^3 kg (d) 456 times 10^2 kg Which of the statement(s) below is/are true about random errors: I. Can be reduce by taking large amounts of measurements and averaging them. II. No amount of repeating and averaging will help. III. Can be cause by you, the experimenter. IV. Tend to make your answer too low every time, or too high every time. (A) I only (B) II and IV only (C) I, III and IV only (D) I and IV only (E) none

Explanation / Answer

Question 1) anwer)d) density

Reason : the seven fundamental quantities of the SI system of units are length, mass, time, electric current, temperature, amount of substance, and luminous intensity.

Question 3)false

Reason : 4500.0 has 5 significant figures

Question 4) option c) 4.56*10^3 kg

Reason :

4.56*10^3 is properexample of scientific notation because

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