Answer and explanation:
To find : Whisper the numbers in standard form and unit form?
Solution :
According to place value system,
Hundreds Tens Ones
So, Writing numbers according to them is whisper by its place value
a) 15
1 tens 5 ones
b) 152
1 hundred 5 tens 2 ones
c) 102
1 hundred 0 tens 2 ones
d) 290
2 hundred 9 tens 0 ones
e) 300
3 hundred 0 tens 0 ones