20) 20² = 400; 2000² =

Question

\(2000^2=(20\cdot100)^2=20^2\cdot100^2=400\cdot10\,000=4\,000\,000\).

Ответ: 2000² = 4 000 000.

Accepted Answer

\(2000^2=(20\cdot100)^2=20^2\cdot100^2=400\cdot10\,000=4\,000\,000\).

Ответ: 2000² = 4 000 000.