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    Long Multiplication: 40 × 10

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

    What is 40 × 10?

    Answer

    40 × 10 =
    400

    One partial product: the only non-zero digit of 10 is 1, and it stands for 1 × 10: 40 × 10 = 400. 10 × 40 gives the same 400.

    40 × 10 in a column

    40
    ×10
    400

    In the column: product 400.

    Step by step: 40 × 10

    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 1, and it stands for 10: 40 × 10 = 400.
      • 0 × 1 = 0. Write 0.
      • 4 × 1 = 4. Write 4.
    3. Product400

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    40 × 10 = 400 - Long Multiplication. 40 × 10 = 400. 10 × 40 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/40--10/generated.jpgCopy

    Products of 40

    MultiplicationProduct
    10 × 10100
    11 × 10110
    12 × 10120
    15 × 10150
    16 × 10160
    20 × 10200
    25 × 10250
    30 × 10300
    40 × 10400
    50 × 10500
    60 × 10600
    75 × 10750
    80 × 10800
    90 × 10900
    100 × 101,000
    Recalculate with different values ↑

    FAQ

    What is 40 × 10?

    40 × 10 = 400

    Is 40 × 10 the same as 10 × 40?

    Yes. Multiplication is commutative, so both come to 400. Only the working differs: this page multiplies by 10, which gives a single partial product.

    How do you check that 40 × 10 = 400?

    Divide the product back by one of the factors: 400 ÷ 10 = 40 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

    What are the partial products of 40 × 10?

    Only one of them counts: every other digit of 10 is a zero and contributes nothing, so the work comes down to 40 × 10 = 400, with nothing left to add.

    See Also