Aim: How do we use metric prefixes?

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Presentation transcript:

Aim: How do we use metric prefixes?

Scientific Notation When a number is in scientific notation, it is written in the form M x 10n. Let’s write the following numbers in scientific notation: 6,000,000 6,036 612 Do you see a general rule?

More scientific notation Now let’s write the following numbers in scientific notation: 0.006 .0000613 0.62

Metric Prefixes Prefix Symbol Value Tera T 1012 Giga G 109 Mega M 106 kilo k 103 hecto h 102 deka da 101

Metric Prefixes deci d 10-1 centi c 10-2 milli m 10-3 micro μ 10-6 nano n 10-9 pico p 10-12

Base Units Meters = m Seconds = s Grams = g When we place a metric prefix in front of these units, we change the meaning of the unit.

Examples: Applying Metric Prefixes We will practice applying metric prefixes to the meter. Write the name for the following: 1. Tm 2. km 3. pm 4. hm

Examples: Applying Metric Prefixes We will practice applying metric prefixes to the second. Write the symbol and value of each unit: 5. nanosecond 6. dekasecond 7. millisecond 8. Megasecond

Metric Facts 1 Tm = ___m 1s = __ns 1 km = __m 1 s = __das 1m = __pm 1s = __ms 1 hm = __m