Ten times.
40 is 4 times as many as ten.
Ten times four is forty ! (10x4=40)
4
40 dB has ten times the power of 30 dB. 50 dB has another ten times as much power.
4 * 10 = 40
40
Yes. Ten times bigger.
ten/10The answer is 10.
No, it is ten times less.
ten the answer is ten 40 time 2 equals 80 and 80 divided by 8 equals 10
40%