How do you write 3 tenths and 8 hundredths in decimal form?

To write 3 tenths and 8 hundredths in decimal form, you first write 3 tenths as 0.3 (since one tenth is equal to 0.1). Then, you write 8 hundredths as 0.08 (since one hundredth is equal to 0.01). Finally, you add the two decimal numbers together: 0.3 + 0.08 = 0.38. So, 3 tenths and 8 hundredths in decimal form is 0.38.