history of number
XX
20
what is 34, 57, 68 in ascending order
34, 57, 68
+53-34
19
4+(7x7)=
53
what is the value of the 5 in 385
5
X
10
what is 38, 348, 25 in descending order
348, 25, 38
-83+43
-40
586-(283+216)
87
what is the value of the 7 in 287452
7000
IV
4
what is 463, 374, 328 in descending order
463, 374, 328
-54+78
24
4x(8+66)
216
what is the value of the 9 in 2946223
900 000
VII
7
what is 9703452, 734, 437 in ascending order
437, 734, 9703452
-678+867
189
74+(58+36)
168
what is the place value of the 54 in 82654721
54000
D
500
what is 6474, 4873, 12345 in descending order
12345, 6474, 4873
+567-456
111
12x(36+2457)
29916
what is the value of the 21 in 482187483
210 000 0