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Subjects>Math>Other Math

What is a unit's digit of the product?

Anonymous

∙ 11y ago

Updated: 4/28/2022

It is the unit's digit of the product of the unit's digits.

For example, the units digit of 123456 * 4689

is simply the units digit of 6*9 = 54, which is 4.

Wiki User

∙ 11y ago

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Q: What is a unit's digit of the product?

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Continue Learning about Other Math

What is the units digit of the product when one hundred 7's are multiplied?

When multiplying numbers with the same units digit, the units digit of the product is determined by the units digit of the base number raised to the power of the number of times it is being multiplied. In this case, since 7 is being multiplied 100 times, the units digit of the product will be the same as the units digit of 7^100. The units digit of 7^100 can be found by looking for a pattern in the units digits of powers of 7: 7^1 = 7, 7^2 = 49, 7^3 = 343, 7^4 = 2401, and so on. The pattern repeats every 4 powers, so the units digit of 7^100 will be the same as 7^4, which is 1. Therefore, the units digit of the product when one hundred 7's are multiplied is 1.

How can you tell what the ones digit of the product of 38 multipled by7will be without solving the whole problem?

Find the units digit of 8*7. The 30 in 38 will have no effect on the units digit.

If The tens digit is twice the units digits and the units digit is the same as the tenths digit the hundredths digit is half the tenths digit?

84.42 or 42.21

What is the digit in the units place of a number is 5 if the no lies between 150 and 200 will be composite or prime?

For any integer greater than 5, where the units digit is 5 then that number can be expressed as the product of n and 5. As such, the number is composite. Therefore all numbers in the range 150 to 200 that have a units digit of 5 are composite,.

What is the units digit of 7 to the 15 power?

Power 2: units digit 9. Multiply by 49 again to get power 4: units digit 1. So every 4th power gives units digit 1. So 16th power has units digit 1, so the previous power, the 15th must have units digit 3.

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Related Questions

What is the ones digit of the following product 159 445 7762 39?

The units digit of 159*445*7762*39 is the units digit of the product of the units digits of the four numbers, that is, the units digit of 9*5*2*9 Since there is a 5 and a 2 in that, the units digit is 0.

What is the units digit of the product when one hundred 7's are multiplied?

When multiplying numbers with the same units digit, the units digit of the product is determined by the units digit of the base number raised to the power of the number of times it is being multiplied. In this case, since 7 is being multiplied 100 times, the units digit of the product will be the same as the units digit of 7^100. The units digit of 7^100 can be found by looking for a pattern in the units digits of powers of 7: 7^1 = 7, 7^2 = 49, 7^3 = 343, 7^4 = 2401, and so on. The pattern repeats every 4 powers, so the units digit of 7^100 will be the same as 7^4, which is 1. Therefore, the units digit of the product when one hundred 7's are multiplied is 1.

How can you tell what the ones digit of the product of 38 multipled by7will be without solving the whole problem?

Find the units digit of 8*7. The 30 in 38 will have no effect on the units digit.

In a two digit number if it is known that it units digit exceed its tens digit by 2 and that the product of the given number and the sum of its digit is equal to 144 then the number is?

24

What is the last digit in the product of the first 20 odd natural numbers?

The last digit in the product of the first 20 odd natural numbers can be determined by looking at the pattern of the units digit in the multiplication of consecutive odd numbers. The units digit of the product of consecutive odd numbers alternates between 1 and 5. Since there are 10 odd numbers between 1 and 19, and 20 is also an odd number, the last digit in the product of the first 20 odd natural numbers is 5.

What is the units digit of 13336?

The units digit of a whole number is always the rightmost digit.

What is the digit in the units place of a number is 5 if the no lies between 150 and 200 will be composite or prime?

For any integer greater than 5, where the units digit is 5 then that number can be expressed as the product of n and 5. As such, the number is composite. Therefore all numbers in the range 150 to 200 that have a units digit of 5 are composite,.

What is The tens digit is twice the units digits the units digit is the same as the tenths digit the hundredths digit is half the tenths digit?

42.21 or 84.42

If The tens digit is twice the units digits and the units digit is the same as the tenths digit the hundredths digit is half the tenths digit?

84.42 or 42.21

What is the units digit of 7 to the 15 power?

Power 2: units digit 9. Multiply by 49 again to get power 4: units digit 1. So every 4th power gives units digit 1. So 16th power has units digit 1, so the previous power, the 15th must have units digit 3.

What is the units digit of 7157?

The digit in the units column of the number 7157 is 7.

What is the units digit of 2013 to the power of 2013?

Oh, dude, okay, so when you raise 2013 to the power of 2013, you're basically asking what the units digit of that massive number is. Well, lucky for you, you don't need to calculate the whole thing because the units digit of a number repeats in a pattern. So, the units digit of 2013 to the power of 2013 is 7. Cool, right?

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