A) \[21\times {{10}^{3}}\pm \,10%\]
B) \[23\times {{10}^{1}}\pm \,10%\]
C) \[21\times {{10}^{3}}\pm \,10%\]
D) \[12\times {{10}^{3}}\pm \,5%\]
Correct Answer: A
Solution :
Of the colours red, brown, orange and silver, red and brown represent the first two significant figures, orange is written in the form of multiplier of 10 and silver colour shows the tolerance.| Significant figures | Multiplier | Tolerance | |
| Red 2 | Brown 1 | Orange \[{{10}^{3}}\] | Silver \[\pm 10%\] |
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