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UPTET Paper 1 Model Test 3

Section: Mathematics

Question : 114 of 150

Marks: +1, -0

How many milligrams are there in a kilogram?

Solution:

Concept:

The metric system uses powers of ten. A kilogram equals 1000 grams, and a milligram is one‑thousandth of a gram.

Explanation:

First, convert kilograms to grams:

1 \text{ kg} = 1000 \text{ g}

Then, convert grams to milligrams:

1 \text{ g} = 1000 \text{ mg}

Multiply:

1 \text{ kg} = 1000 \times 1000 = 1{,}000{,}000 \text{ mg}

Write

1{,}000{,}000

as a power of ten:

10^{6}

Answer:

10^{6}

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