Long Multiplication: 840 × 9

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

What is 840 × 9?

Answer

840 × 9 =
7,560

One partial product: 840 × 9 = 7,560. 9 × 840 gives the same 7,560.

840 × 9 in a column

840
×9
7560

In the column: product 7,560.

Step by step: 840 × 9

  1. Step 1Multiply the multiplicand by the last digit of the multiplier, 9: 840 × 9 = 7,560.
    • 0 × 9 = 0. Write 0.
    • 4 × 9 = 36. Write 6 and carry 3.
    • 8 × 9 = 72, plus the carried 3 makes 75. Write 5 and carry 7.
    • No digits are left, so the carried 7 is written in front: the partial product is 7,560.
  2. Product7,560

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Recalculate with different values ↑

Products of 840

MultiplicationProduct
740 × 96,660
750 × 96,750
760 × 96,840
770 × 96,930
780 × 97,020
790 × 97,110
800 × 97,200
810 × 97,290
820 × 97,380
830 × 97,470
840 × 97,560
850 × 97,650
860 × 97,740
870 × 97,830
880 × 97,920
890 × 98,010
900 × 98,100
910 × 98,190
920 × 98,280
930 × 98,370

FAQ

What is 840 × 9?

840 × 9 = 7,560

Is 840 × 9 the same as 9 × 840?

Yes. Multiplication is commutative, so both come to 7,560. Only the working differs: this page multiplies by 9, which gives a single partial product.

How do you check that 840 × 9 = 7,560?

Divide the product back by one of the factors: 7,560 ÷ 9 = 840 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

What are the partial products of 840 × 9?

There is only one: the multiplier 9 has a single digit, so 840 × 9 = 7,560 is written straight under the line, with no addition step.

See Also