Well 68 rounds to 70 and 21 rounds to 20.So times 70 and 21 you will get _.1,600 :D no problem
68
68 multiplied by 21 is 1,428
21 can go into 68 three times, as 21 multiplied by 3 equals 63, which is the largest multiple of 21 that is less than or equal to 68. The next multiple, 21 times 4, equals 84, which exceeds 68. Therefore, 21 fits into 68 a total of 3 times with a remainder of 5.
34 multiplied by 68 is 2,312.
68 x 52 = 3,536
Estimating the product of 68 and 21 . . . It is easy in your head to think that this product would be close to 70 times 20. Again, in your head, you can figure that product to be 1400.
1428
68
68-21 = 47
68 multiplied by 21 is 1,428
150 x 20 = 3000
The product is 68
$68
21 can go into 68 three times, as 21 multiplied by 3 equals 63, which is the largest multiple of 21 that is less than or equal to 68. The next multiple, 21 times 4, equals 84, which exceeds 68. Therefore, 21 fits into 68 a total of 3 times with a remainder of 5.
68 x 52 = 3,536
34 multiplied by 68 is 2,312.
To find 21 percent of a number, multiply the number by 0.21. In this instance, 0.21 x 68 = 14.28. Therefore, 21 percent of 68 is equal to 14.28.