89 - 21 = 68
2 x 2 x 17 = 68
90 x 70 = 6300
21 as a product of its prime factors is 1 X 3 X 7.
To round to estimate the product of 38 x 2, you first round each number to a more manageable value. In this case, you can round 38 to 40 and 2 to 0. Then, multiply the rounded numbers together to get an estimate of the product. In this case, 40 x 0 = 0. So, the estimated product of 38 x 2 is 0.
1428
68
Estimate: 40 times 70 = 2800 Actual: 2924
68-21 = 47
150 x 20 = 3000
68 multiplied by 21 is 1,428
The product is 68
$68
68
The product of 68 and 90 is 6120. To calculate this, you simply multiply 68 by 90 using the standard multiplication algorithm. In this case, 68 multiplied by 90 equals 6120.
34 multiplied by 68 is 2,312.
68 x 52 = 3,536