Question

Consider these scenarios. 1. A piano weighs 5. 5 × 102 units. 2. A grain of salt weighs 1. 02 × 10-3 units. 3. A tractor trailer weighs 8. 8 × 101 units. Determine the unit of measurement that best represents each scenario. 1. 2. 3.

Answer 1

The unit of measurement that represents each scenario are:

The piano weighs 550 Ib (pounds).

The grain of salt weighs 0.00102 gram

A tractor-trailer weighs 88 tons.

What is a unit of measurement?

The unit of measurement is a standard entity that is used to represent and express the magnitude of a physical quantity.

By following the standard unit of measurement;

Weight is a physical quantity and can be measured in grams or kilograms.

• A piano weighs $5.5 \times 10^2$ units.  

• A grain of salt weighs $1.02 \times 10^{-3}$ units.  

• A tractor-trailer weighs $8.8 \times 10^1$ units.

Learn more about the unit of measurement here:

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