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The reason is because you have to make the number bigger when you multiply. When you move the decimal to the right you make the number bigger, when you move it to the left you make it smaller. Therefore, when you divide you must move the decimal to the left.
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How do you work out 15.1 x 10?
move the decimal point one place to the right - the answer is 151 :)
How do you write 0.08909 in standard form?
To write 0.08909 in standard form, you need to move the decimal point to the right until there is only one non-zero digit to the left of the decimal point. In this case, you would move the decimal point four places to the right, resulting in 8.909 x 10^-2 in standard form.
How do you do negative scientific notation?
Take, .000001 for example. We need to move the decimal 6 places to the right. This is the same as multiply by 10-6 .0.000001 =1x10-6
What is the product of 3.8 and 100?
Product means numbers multiplied together. Multiplying by 10, 100, 1000 etc is easy, you just move the decimal point one place to the right for every zero. To find this product, move the decimal to the right 2 places in 3.8 and we have 380
What is a shortcut when multiplying a number by a multiple of 10?
Count the number of zeros to the left of the decimal point in the multiple of ten that you are using: Examples: 10 (1 zero); 1,000,000 (6 zeroes); 100.0 (2 zeroes) Move the decimal point to the right by that number of spaces (if you run out of spaces to move the decimal point then add a zero) Examples: 5 * 1,000 = 5000 .005 * 10000 = 50 5000 * 10 = 5000
How can you multiply by a decimal by 1000?
Move the decimal point three places to the right.
When you multiply a decimal by 10 move the decimal point 1 place to the what?
To the Right
How do you multiply a decimal by 10?
You move the decimal point one place to the right.
When you multiply a decimal by ten move the decimal point one place to the?
right
How can you multiply by a decimal by 100?
by moving the decimal two place to the right.
When you multiply any number by ten what happens to the decimal point?
Move the decimal point to the right one time.
How can you mentally multiply a decimal number by 100?
Move the decimal point two spaces to the right.
What is -143.3 multiplied by 10?
The answer is -1433. When you multiply a decimal by 10, just move the decimal point one place to the right. When it is 100, move the decimal point two places to the right. And so on...
How do you multiply a decimal number by 10?
Move the decimal point one place to the right. If the decimal point is already at the end of the number, add a 0 to the extreme right before moving the decimal point.
How many places does the decimal point move when you multiply a number by 10?
1, to the right
How do you multiply 2.8x10?
Move the decimal point one place to the right, making 28
Multiply 0.046 by 100?
To multiply a decimal by 100 just move the point 2 places to the right: 4.6
