Four significant figures.
there are 4 sig. fig. in 1001
4 of them.
4 of them.
1001
There are no three composite numbers that multiply to 1001.
1001 base 2 = 9 base 10
10 and 100.1 is one of infinitely many pairs of numbers.
Three 1009 1013 1019
the sum of (1001+1010)is=(10011)
231.57 has five significant figures/numbers. All the numbers in 231.57 are significant.
1001=7*11*13
1001 = 7 x 11 x 13