- What are the base units in the following cases; 2mm, 25kg, 300 ps, 500 Mb?
- Write the following in terms of their base units; 45mm, 22Ms, 0.5nm, 32kW.
- Write the following in a derived unit closest to its value; 2,200,000 s, 0.0054m, 1,100g, 0.000005g.
- Write the following in scientific notation; 1,500,000m, 0.0043s, 1,980,000,000,000$, 0.000000000067N.
- Write the following in normal notation; .
- Estimate the time it would take to walk across the United States.
- Estimate the number of hairs on your head.
- Estimate the mass of water in the ocean.