Express the number appearing in the following statements in standard form( 03 to 4)
3. Charge of an electron is 0.000,000,000,000,000,000,16 coulomb
4. Size of a plant cell is 0.00001275 m
Answers
Answered by
0
Answer:
(i) 1 micron is equal to \frac{1}{1000000}m
1000000
1
m
1micron = \frac{1}{1000000}m
1000000
1
m
= \frac{1}{10^6}
10
6
1
=10^{-6}m\10
−6
m
(ii) ch\arg e\ =\ \frac{16}{100000000000000000}charge =
100000000000000000
16
=\frac{16}{10^{17}}
10
17
16
=16\times10^{-17}16×10
−17
coulomb
(iii) Size = \frac{5}{10000000}
10000000
5
= \frac{5}{10^7}
10
7
5
=5\times10^{-7}\ m\5×10
−7
m
(iv) Size = \frac{1275}{100000000}
100000000
1275
= \frac{1275}{10^8}
10
8
1275
= 1275\times10^{-8}\ m\1275×10
−8
m
(v) \frac{7}{100}
100
7
=\frac{7}{10^2}
10
2
7
= 7\times10^{-2}7×10
−2
m
Similar questions