How do write 1.98 in expanded form?

Oh honey, let me break it down for you. To write 1.98 in expanded form, you simply split it up into its different place values. So, 1 is 1, 9 is 0.9, and 8 is 0.08. Put it all together and you get 1 + 0.9 + 0.08. Easy peasy lemon squeezy!