What is 138 rounded to the nearest ten?

What is 189 divided by 4.2? A Ferris wheel holds 48 people there are 823 people with tickets to ride the Ferris wheel how many times will the Ferris wheel need to run to give everyone a ride? What are the common factors of 18 20 and 24? Two identical clock's one which is 3 seconds slow and the other which is 5 seconds slow give equally precise times? What is 38 divided by 67? Is 0.24 0.42? What is 324 times 35? If the product of 30 factorial is factorized into primes how many 5s will the factorization contain? What is the highest Roulette number? What is a shifted geometric sequence? In multiplication what two numbers equal 26? What do you call a five-sided solid? Which of the following is not a partial product of 13 × 45? Grandpa's age is 6 years less than 6 times junior's age. the sum of their ages is 78. What is each of their ages? Is foe an adjective? What number is 12.5 percent of 16? How many hours between 9am Wednesday and 10pm Friday? Which of the following has 3 significant figures 13.7 137 1370? What is 40 of 350? What is one half of a trillion?