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    Long Multiplication: 80 × 40

    Long Multiplication Calculator
    Multiplicand (number to be multiplied)
    Multiplier (number to multiply by)

    What is 80 × 40?

    Answer

    80 × 40 =
    3,200

    One partial product: the only non-zero digit of 40 is 4, and it stands for 4 × 10: 80 × 40 = 3,200. 40 × 80 gives the same 3,200.

    80 × 40 in a column

    80
    ×40
    3200

    In the column: product 3,200.

    Step by step: 80 × 40

    1. Step 1The last digit of the multiplier is 0, so this partial product is 0 and adds nothing to the total.
    2. Step 2The next digit of the multiplier is 4, and it stands for 40: 80 × 40 = 3,200.
      • 0 × 4 = 0. Write 0.
      • 8 × 4 = 32. Write 2 and carry 3.
      • No digits are left, so the carried 3 is written in front: the partial product is 320.
    3. Product3,200

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    80 × 40 = 3,200 - Long Multiplication. 80 × 40 = 3,200. 40 × 80 gives the same product. Long multiplication step by step: every carry, every partial product and the final sum.
    https://calculat.io/en/number/long-multiplication/80--40/generated.jpgCopy

    Products of 80

    MultiplicationProduct
    80 × 3240
    80 × 4320
    80 × 5400
    80 × 6480
    80 × 7560
    80 × 8640
    80 × 9720
    80 × 10800
    80 × 11880
    80 × 12960
    80 × 151,200
    80 × 161,280
    80 × 201,600
    80 × 252,000
    80 × 302,400
    80 × 403,200
    80 × 504,000
    80 × 604,800
    80 × 756,000
    80 × 806,400
    Recalculate with different values ↑

    FAQ

    What is 80 × 40?

    80 × 40 = 3,200

    Is 80 × 40 the same as 40 × 80?

    Yes. Multiplication is commutative, so both come to 3,200. Only the working differs: this page multiplies by 40, which gives a single partial product.

    How do you check that 80 × 40 = 3,200?

    Divide the product back by one of the factors: 3,200 ÷ 40 = 80 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

    What are the partial products of 80 × 40?

    Only one of them counts: every other digit of 40 is a zero and contributes nothing, so the work comes down to 80 × 40 = 3,200, with nothing left to add.

    See Also