21.   The goal, he said, is more accurate estimates of the explosive power of the distant blasts, which are now known only in approximation.

22.   The most accurate estimate, he added, comes from a study done by the Tax Foundation, a corporate-sponsored research group.

23.   The other Saudi-backed businesses send their signals for free, so they have as yet no way to make accurate estimates of how many viewers they have.

24.   There were too few Asian Americans surveyed to provide accurate estimates of their family types.

25.   To get a fairly accurate estimate of your best single lift, try this formula instead.

26.   A more accurate estimate of the deaths and displacement due to the floods is expected in a few days from relief workers.

27.   Anwar Al-Hadid, who heads the Committee on Palestinian Affairs, said he could not provide an accurate estimate of the number of people involved.

28.   But he also warned that it was too early to offer an accurate estimate of brain damage.

29.   Colorado wildlife officials said they could not provide an accurate estimate of the beaver population, but noted that it has increased significantly.

30.   However, she said scientists did not have enough information to make accurate estimates.