It works!
There are nine ones in the answer. 12345679 × 9 = 111111111
302.166666666666666666
Just multiply one pair of your numbers to give you a product, and then multiply their product by your third number.
by moving each digits
22 x 30
five digits number when you multiply by four is the same the number when you reversed it is 21978*4 = 87912
Zero!
Yes. To see if 7 and 9 are a factor pair of 63, multiply them.
the number one.
1,1242,624,31
When multiplying numbers with significant digits, count the total number of significant digits in each number. Multiply the numbers as usual, but round the final answer to match the least number of significant digits in the original numbers.
you multiply first then you divide