Which digit is represented by a blue band on a resistor?

What is 10% of 4,670?

A resistor's first three color bands are brown, black, and red. What is its value?

If you are going to switch the selection knob range from X100 to X1000 what must be done, before testing a resistor?

You are trying to calibrate the multimeter to test a resistor, upon connecting both ends of the test probes, the needle pointer is not directly pointed to 0 scale, what will you do?