Question

Express the number appearing in the following statements in standard form.

(i) 1 micron is equal to 11000000 m.

(ii) Charge of an electron is 0.000,000,000,000,000,000,16 coulomb.

(iii) Size of a bacteria is 0.0000005 m

(iv) Size of a plant cell is 0.00001275 m

(v) Thickness of a thick paper is 0.07 mm​

Answer 1

Answer:

(i) 1000000= 1×10

−6

(ii) 0.000,000,000,000,000,000,16= 1.6×10

−19

(iii) 0.0000005= 5×10

−7

(iv) 0.00001275= 1.275×10

−5

(v) 0.07= 7×10

−2