I am a three-digit number. My tens digit is six more than my ones digit. My hundreds digit is eight less than my tens digit. What number am I?

Clear explanation please

194

Step-by-step explanation:

Since you have a three digit number the hundreth digit is not zero. Then from the fact that h = t -8, t must be 9, then u = 9-5 or 4. Your answer is 194.

0.02

step-by-step explanation:

time of 9 192 631 770 periods of the radiation corresponding to the transition between the 2 hyperfine levels of the ground state of the caesium 133 atom at 0 k (but other seconds are sometimes used in astronomy)