The given expression is : 4.5 ÷ 1.8
![\begin{gathered} \text{ Remove the decimal :} \\ (4.5)/(1.8)=(45*10)/(18*10) \\ (4.5)/(1.8)=(45)/(18) \end{gathered}](https://img.qammunity.org/2023/formulas/mathematics/college/4xxh5tuwdilq0dum0ihsih3d2r7f8marn4.png)
45 ÷ 18 as :
4.5 ÷ 1.8 = 2.500
Answer : 4.5 ÷ 1.8 = 2.500
2) 0.69 × 0.27
Ignore the decimal and multiply the numbers as : 69 x 27
There's 4 total decimal places in both numbers.
Rewrite the product with 4 total decimal places.
Therefore, the resultant number is 0.1863
0.69 × 0.27 = 0.1863
Answer : 0.69 × 0.27 = 0.1863