1) US land area: about 3.8 million square miles (
3.8 × 10^6 mi^2).
2) Convert to square centimeters: 1 mi^2 ≈ 2.59 × 10^10 cm^2, so area_US ≈
9.9 × 10^16 cm^
2. 3) Oreo size: diameter ≈ 4.8 cm → radius ≈
2.4 cm; area_cookie ≈ πr^2 ≈ 18 cm^
2. 4) Cookies needed (no gaps): area_US / area_cookie ≈ (
9.9 × 10^16) / 18 ≈
5.5 × 10^15 cookies.
5) Caveat: real tiling has gaps and curvature; rough estimate is on the order of 5–6 × 10^15 cookies.
Answer:
about 5.5 quadrillion Oreos.