1. Intro to Physics Units

Rewrite 0.00016 kg in scientific notation.

Rewrite 299,800,000 m/s in scientific notation.

Rewrite 3.41 × 10⁻⁴ in standard form:

Rewrite 9.98 × 10⁷  in standard form.

The position of an object is given by 𝓍 = At + Bt², where 𝓍 is in meters and t is in seconds. What are the units of A and B?

Write the following numbers in powers of 10 notation: 0.219.

Write out the following numbers in full with the correct number of zeros: 2.5 x 10⁻¹

Time intervals measured with a physical stopwatch typically have an uncertainty of about 0.2 s, due to human reaction time at the start and stop moments. What is the percent uncertainty of a hand-timed measurement of 4.5 min?

A watch manufacturer claims that its watches gain or lose no more than 9 seconds in a year. How accurate are these watches, expressed as a percentage?

Write the following as full (decimal) numbers without prefixes on the units: 22.5 nm.

Express the following using the prefixes of Table 1–4: 18 x 10² bucks.

The lowest and highest natural temperatures ever recorded on earth are −129°F in Antarctica and 134°F in Death Valley. What are these temperatures in °C and in K?

The age of the universe is thought to be about 14 billion years. Assuming two significant figures, write this in powers of 10 in years.

The Sun, on average, is 93 million miles from Earth. How many meters is this? Express using a metric prefix (km).