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You add two zeros at the end of the answer 80*90=7200

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14y ago

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What shortcut can you use to multiply ones by tens?

Just add a zero behind the number. (8 x 10 = 80)


What do you do to change tens into hundreds?

You multiply by 10.


How many tens are there in a hundred ninety two thousand?

simple. just multiply 192,000 by 10=1,920,000 tens


When can cross multiply be used as a shortcut to the solution while solving rational expressions?

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What is the answer to how can you use multiplying by tens to find the product of 82x40?

There are 4 tens in 40. If you multiply 82 by ten four times, you'll get the answer. 820 + 820 + 820 + 820 = 3280 82 x 40 = 3280


Double your tens digit to get your ones digits?

That means multiply it by 2. If your tens digit is 3, your ones digit is 6.


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How many tens are in 20,000 (PLEASE HELP ME! MY WORK IS DUE IN 15 MIN)?

With the number 20,000, you can organize it into 2(10)(10)(10)(10), which gives you four tens. You can also do this with a shortcut: count the zeros.


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How can I convert tens and units into a single number?

To convert tens and units into a single number, you can simply multiply the tens digit by 10 and then add the units digit. This will give you the combined value of the tens and units as a single number.


300 hundreds is equal to how many tens?

To convert hundreds to tens, you multiply the number of hundreds by 10. Therefore, 300 hundreds is equal to 300 × 10, which equals 3,000 tens.