How many significant figures are in the number: 0.00029

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent.the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244