2*2=4

Correct: 2 × 2 = 4.

Brief note: multiplication is repeated addition, so 2 × 2 = 2 + 2 = 4. If you’re studying for exams, remember these quick facts:

• Commutative: a × b = b × a
• Distributive: a × (b + c) = a × b + a × c

Want a few more quick practice problems or a short proof of the commutative property?