There are only two single-digit numbers where one is 1/5 of the other. Those are 1 and 5 and they become the outside numbers. From there, it's relatively easy to multiply 5 by 3 to get 15 for the inside numbers.
14 x (1 + 4) = 14 x 5 = 70
815*537 = 2.56*1039 in standard form Therefore it will have 40 digits.
The product of a 4-digit multiplicand and a 1-digit multiplier can have either 4 or 5 digits. If the 4-digit number is multiplied by a multiplier of 1 to 9, the product will typically have 4 digits. However, if the multiplicand is multiplied by 10 (the maximum value for a 1-digit number), the product can reach a maximum of 5 digits. Thus, the product can range from 4 to 5 digits, depending on the specific numbers involved.
Any prime numbers of about 66 or 67 digits will do.
1155
Find a four digit number whose digits will be reversed when multiplied by nine?
When multiplying numbers with significant digits, count the total number of significant digits in each number being multiplied. The result should have the same number of significant digits as the number with the fewest significant digits. Round the final answer to that number of significant digits.
36 is twice the product of its digits multiplied. 3 times 6 equals 18, and 18 times 2 equals 36.
Six.
The new prime number, 2 multiplied by itself 57,885,161times, less one, has 17,425,170 digits.
The number is 21978. 21978 when multiplied by 4 which gives the result 87912 which is in reverse order.
If the original number was even, the ones place will be zero; otherwise it will be 5.
A two digit number whose two digits added together equal 42 and multiplied together equal 82
Well, isn't that a happy little question! If you multiply 2 by itself 30 times, you'd end up with a very large number. The product would have 31 digits in total. Just imagine all those numbers coming together to create a beautiful mathematical masterpiece!
Count the number of digits after the decimal point in the first number being multiplied. Count the number of digits after the decimal point in the second number being multiplied. Add the two numbers. This is the number of digits after the decimal point in the answer. But make sure that any trailing 0s are included. To calulate 0.42 * 3.451: 41*3451 = 144942 Digits after point in first number = 2 Digits after point in second number = 3 2 + 3 = 5 So digits after point in answer = 5 So answer = 1.44942 But To calulate 0.42 * 3.45: 42*345 = 14490 <<< it is vital that the last 0 here is kept till the last stage. Digits after point in first number = 2 Digits after point in second number = 2 2 + 2 = 4 So digits after point in answer = 4 So answer = 1.4490 = 1.449
14 x (1 + 4) = 14 x 5 = 70
815*537 = 2.56*1039 in standard form Therefore it will have 40 digits.