Quick Answer

400²

400² = 160000. Squaring a number means multiplying it by itself. 400 squared = 400 × 400 = 160000.

160000

400² = 160000

How to Calculate 400²

Squaring a number means multiplying it by itself. 400 squared = 400 × 400 = 160000.

Step 1 — Write out the multiplication400 × 400

Answer160000

400² = 400 × 400 = 160000

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