To divide 4200 by 60 using mental math, you can simplify the calculation by breaking it down. First, divide both numbers by 10: 4200 ÷ 10 = 420 and 60 ÷ 10 = 6. Now, you need to calculate 420 ÷ 6, which is 70. Therefore, the quotient of 4200 divided by 60 is 70.
679
0.0286
70
To find the product of 6 and 741 using mental math, you can break it down by distributing the multiplication. First, calculate 6 times 700, which is 4200, and then 6 times 41, which is 246. Finally, add these two results together: 4200 + 246 equals 4446. Thus, 6 times 741 is 4446.
12.7381
84
0.0071
4.2
60
100
679
140
0.0286
70
0.0198
8.4
600