5. what is the number written in standard notation? 5.71 x 10^-3 a) -171.3 b) 0.0571 c) 0.000571 d) 0.00571

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.