what time is it central standard time

A central office operator has observed that the long distance telephone calls are normally distributed with a mean of 6 minutes and a standard deviation of 2 minutes. If random samples of 32 calls were selected, what is the probability that the length of the sample mea..

In 1967, the atomic clock was adopted, choosing caesium-133 atom, which emits electromagnetic radiation of a precise and unvarying frequency, corresponding to the transition between two hyperfine levels of the ground state. One second (SI unit time) is defined as 9, 192, 631, 770, period..

Identify 5.2 × 10 3 in standard form. => 5.2 or 5200 or 520 or 52000..

Identify 434 × 10 -2 in standard form. => 4340 or 43.4 or 4.34 or 434..

Write 4.5 × 10 5 in standard form. => 450000 or 45000 or 4500000 or 4.5..

Express 4 × 10 - 3 in standard notation. => 0.004 or 0.0004 or 0.04 or 0.00004..

Identify 7.8 × 10 - 3 in standard form. => 7.8 or 0.78 or 0.078 or 0.0078..

Express 7.6 × 10 - 5 in standard form. => 0.0000076 or 0.000076 or 0.00076 or 0.0076..

Choose the standard form of 3.3 × 10 -4 . => 0.00033 or 0.033 or 0.000033 or 0.0033..

Express 3.6 × 10 8 in standard form. => 360,000,000 or 36,000,000 or 0.00000036 or 3,600,000,000..