Question

Express in decimals.

please help ​

Answer 1

${\underline{\underline{\huge{\mathfrak{\green{Answer:-}}}}}}$

Hey Mate!!

10 mm = 1 cm

=> 8 mm = 0.8 cm

Therefore,

12 cm + 0.8 cm = 12.8 cm

Answer 2

$\huge\bf{Answer:-}$

1 cm = 10 mm

1 cm = 10 mm0.8 cm = 8 mm

1 cm = 10 mm0.8 cm = 8 mm.•. 12 cm + 0.8 cm = 12.8 cm