| Answer | Crossword Clue |
|---|---|
| DEPTH | Charges that followed U-boats? |
| PETEROSEKENNEDY | Ballplayer closely followed by a U.S. President's mother |
| billion | number represented in the U.S. by 1 followed by 9 zeros, and in Great Britain by 1 followed by 12 zeros |
| octillions | cardinal number represented in the U.S. by 1 followed by 27 zeros, and in Great Britain by 1 followed by 48 zeros |
| septendecillion | cardinal number represented in the U.S. by 1 followed by 54 zeros, and in Great Britain by 1 followed by 102 zeros |
