13 x 6 x 3 = 234
42/6 + 2*3 = 7+6 = 13
To convert the number ( (6 , 13)_7 ) into standard form, first note that it is in base 7. The number can be expressed as ( 6 \times 7^1 + 13 \times 7^0 ). Since ( 13 ) is not a valid digit in base 7 (valid digits are 0-6), it seems there might be a misunderstanding. If you meant ( (6 , 1 , 3)_7 ), then it would equal ( 6 \times 7^2 + 1 \times 7^1 + 3 \times 7^0 = 6 \times 49 + 1 \times 7 + 3 = 294 + 7 + 3 = 304 ) in decimal (standard) form.
The 13 times tables are as follows: 1 times 13 is 13, 2 times 13 is 26, 3 times 13 is 39, 4 times 13 is 52, 5 times 13 is 65, 6 times 13 is 78, 7 times 13 is 91, 8 times 13 is 104, 9 times 13 is 117, 10 times 13 is 130, 11 times 13 is 143, and 12 times 13 is 156.
-13 + 6 + 3 = -4
6 times with a remainder of 2
It is: (3-3) times (6+2) = 0
Oh, what a happy little question! Let's see here... If we take 81 and divide it by 6, we find that 6 goes into 81 a total of 13 times. Isn't that just delightful? Remember, there are no mistakes in math, just happy little accidents.
42/6 + 2*3 = 7+6 = 13
7 * 11 * 13 * 6 = 6,006
13
The 13 times tables are as follows: 1 times 13 is 13, 2 times 13 is 26, 3 times 13 is 39, 4 times 13 is 52, 5 times 13 is 65, 6 times 13 is 78, 7 times 13 is 91, 8 times 13 is 104, 9 times 13 is 117, 10 times 13 is 130, 11 times 13 is 143, and 12 times 13 is 156.
1 + 3/10 * 6 = 1+ 18/60 = 78/60 = 13/10
13
-13 + 6 + 3 = -4
13 + 9 + (6/3) = 24
13 to the power of 3 = 2197
6 times with a remainder of 2