Answer:
The answers are below
Explanation:
1.- Change 9.0 x 10^7 from scientific to standard notation
Just move the decimal point 7 places to the right
90000000
2 Change 3.2 x 10^-5 from scientific to standard notation
Just move the decimal point 5 places to the left
0.000032
3 Which types of measurements are appropriate for scientific notation? *
The speed of light
is appropriate
The speed of a snail isn't appropriate
The speed of your car isn't appropriate
4 Write 0.0000000000372 grams in scientific notation. Then convert to SI base units.
Just move the decimal point 11 places to the right
3.72 x 10 ⁻¹¹ grams = 3.72 x 10 ⁻¹⁴ kg
5 Write 45,000,000,000 kilometers in scientific notation. Then convert your answer to SI base units
Just move the decimal point 10 places to the left
4.5 x 10 ¹⁰ km = 4.5 x 10¹³ m
6 A bulb thermometer gives an indoor temperature reading of 21 degrees Celsius. A digital thermometer in the same room gives a reading of 20.7 degrees Celsius. Which devise is more precise? Explain.
I think the digital thermometer is more precise because it can measure decimals, then the reading is closer to the right temperature. The other thermometer can't read decimals.
