What are the nominal resistance and range of resistance values for resistors with the following colour codes: (a) blue, grey, black, gold; (b) yellow, violet, orange, silver; (c) blue, grey, green,...

What are the nominal resistance and range of resistance values for resistors with the following colour codes: (a) blue, grey, black, gold; (b) yellow, violet, orange, silver; (c) blue, grey, green, gold?

Write (a) the standard abbreviations used for resistors with resistances of 4.7 Ω and 5.6 Ω and (b) the values represented by the abbreviations (a) 6 M8, (b) 4R7.