It is 20 = twenty
It is 20 which is twenty
To write 729 in expanded form, break it down by place value. It can be expressed as 700 + 20 + 9, where 700 represents the hundreds place, 20 represents the tens place, and 9 represents the units place. Thus, the expanded form of 729 is 700 + 20 + 9.
9 x 9 x 9 = 729
700
27^2 = 729
729
729
729 is not prime. 729 = 3 * 3 * 3 * 3 * 3 * 364 is not prime. 64 = 2 * 2 * 2 * 2 * 2 * 2
-730
3^3 = 27 27^2 = 729 (3^3)^2 = 3^6 = 729
2/3 x 729 = 486
2 is in the ones place value.