An expression is defined as a set of numbers, variables, and mathematical operations. The order of magnitude for the total weight of 5 cars that weigh 3,000 pounds each is 4.
In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.
The total weight of the five cars each weighing 3,000 pounds is,
Total weight = Number of cars × Weight of each car
= 5 × 3,000 pounds
= 15,000 pounds.
= 1.5 × 10⁴ pounds
Hence, the order of magnitude for the total weight of 5 cars that weigh 3,000 pounds each is 4.
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