Key Idea: Times (Multiplying Decimals)
When multiplying, a coefficient can be converted to decimal form and multiplied directly.
General Rule:
Convert fractions or percentages to decimals if needed.
Multiply the numbers as usual.
Keep track of decimal places in the product.
Why this matters for the SAT:
Decimal multiplication appears in algebra, word problems, and data interpretation.
Converting coefficients to decimal form can simplify calculations and reduce errors.