Decimals (Basic Concepts)：練習問題

Convert the fraction \(\frac{3}{10}\) into a decimal.

Which of the following represents the sum of \(\frac{7}{10}\) and \(\frac{9}{1000}\) as a decimal?

Which of the following numbers is the largest?
\(\frac{3}{4}\), 0.7, \(\frac{4}{5}\), 0.78

Convert 12 dollars and 5 cents into decimal form in dollars.

A piece of ribbon is \(0.45\) m long. What is its length in centimetres (cm)?

Which digit is in the hundredths place of the decimal \(12.345\)?

What is the value of the digit 8 in the decimal \(0.1284\)? Give your answer as a fraction.

If \( A = 0.15 \), \( B = \frac{1}{4} \), and \( C = \frac{1}{10} \), arrange \( A \), \( B \), and \( C \) in descending order.

In the number 54.321, state the place value of the following digits:
a) 3
b) 2
c) 1

A ribbon is 3.75 metres long. If Mrs. Chan cuts 1.4 metres from it to wrap a gift, how much ribbon is left? Express your answer in metres.