Siti scored 7/20 on her school Mother Tongue project mark sheet. Express 7/20 as a decimal.
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Worked Solution
Step 1: To convert a fraction to a decimal, it helps to change the denominator into 10, 100 or 1000.\n
Step 2: 20 × 5 = 100, so multiply both top and bottom of 7/20 by 5:\n 7/20 = (7 × 5) / (20 × 5) = 35/100.\n
Step 3: 35/100 means 35 hundredths, which in decimal form is 0.35 (3 in the tenths column, 5 in the hundredths column).\n
Step 4: Quick check: 0.35 × 20 = 7 ✓, so 7/20 = 0.35 is correct.
Answer: 0.35
Correct answer: 0.35
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