You can write 90 in short word form as ninety.
There is no short form to 1942 number. You can write it in words as Nineteen forty two.
you write it like 1k
Tables spoons short is TB
229,573
solution
bcos
1k
It is BJS
78.654 E+03 = 78,654
It is 179
40+9+.03+.006