31
x 7
---
__7
21 (The underscores are for formatting) The 7 should be aligned in a column to the right of 21
217
Or: 31 = 3x10 + 1 ---> 7 x (3x10 + 1) = 7x3x10 + 7x1 = 21x10 + 7 = 210 + 7 = 217
31 multiplied by 7 is 217
31
961
31
(24 + 7) x (18 - 6) = 31 x 12 = 372
7 x 31
31 multiplied by 7 is 217
31
How about: 2*31 = 62
The estimated value of 7 multiplied by 31 is 217.
961
37 to base 8 is (24+7) = 31 in decimal 7 to base 8 is 7 in decimal Multiplying 31 by 7 = 217 in decimal and this is 331 in octal on base 8
15.50 * 31 = 480.5
31
(24 + 7) x (18 - 6) = 31 x 12 = 372
7 multiplied by 5 is 35. 7 multiplied by 5 = 35
122 multiplied by 31 is 3,782.