Calculate 0.08 × 0.2 and 0.7 × 0.9.
Understand the Problem
The question is asking to calculate the products of two sets of decimal numbers. The calculations involve multiplying 0.08 by 0.2 and 0.7 by 0.9, which requires straightforward multiplication.
Answer
(a) $0.08 \times 0.2 = 0.016$ (b) $0.7 \times 0.9 = 0.63$
Answer for screen readers
(a) $0.08 \times 0.2 = 0.016$
(b) $0.7 \times 0.9 = 0.63$
Steps to Solve
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Multiply 0.08 by 0.2 First, we calculate the product of the two numbers. $$ 0.08 \times 0.2 = 0.016 $$
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Multiply 0.7 by 0.9 Next, we compute the product of the next pair of numbers. $$ 0.7 \times 0.9 = 0.63 $$
(a) $0.08 \times 0.2 = 0.016$
(b) $0.7 \times 0.9 = 0.63$
More Information
The product of two decimal numbers involves straightforward multiplication. In both cases, one of the resulting products is a smaller number, and the other product represents a common calculation that is often seen in practical scenarios.
Tips
- Misplacing the decimal point: When multiplying decimals, it's important to count the total number of decimal places in the factors to correctly place the decimal in the result.
- Rounding too early: Rounding the numbers before performing multiplication can lead to inaccurate results; it's best to keep them in decimal form.
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