Here you will learn how to calculate 870 multiplied by 4 using long multiplication. In other words, learn how to use long multiplication to find the answer to 870 times 4. We will first give you step-by-step instructions, and then we will illustrate with an image what we did.
We start by writing the numbers 870 and 4 on top of each other, making sure to align the numbers by place value.
Then we multiply 4 with each digit of 870, and write the products in the next row, from right to left. (If the product is greater than 9, carry the tens digit to the next column.)
That's it! Here is an illustration of what we described:
As you can see from the illustration above, the answer to 870 times 4 is the green number in the bottom row. The answer is 3,480.
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