[DCBryan1]

There were different mods on those missiles. The 20 Mt warheads were single warhead missiles. 10 to 14 warhead configurations were in the 400 to 700 kt range. There's never been a missile existing on earth they could lob ten 20 Mt warheads. Missle very well could spread out over that very large area but CEP would be not measured in tens of meters but km. They are most effective in a oval pattern 100-150miles wide & 200-250 long (30,000 sq miles.

By the way I am probably one of the very few Freepers who worked around nukes and I'm not scared of them at all.

Weaponized Ebola, return of smallpox, and biological Attack via raccoon roundworm, avian flu, asteroids, and Muslims scare me a lot more.

[TigersEye]

But my point was still made.

...a single R-36M UTTKh missile could strike 10 various targets, including large population centers, as well as small military targets, spread over the area of 300,000 square kilometers...

[TigersEye]

CEP is the radius of accuracy of one individual warhead not the spread of all the warheads.

Multiple independently targetable reentry vehicle

Accuracy is expressed as circular error probable (CEP). This is simply the radius of the circle that the warhead has a 50 percent chance of falling into when aimed at the center.