What is the approximate mass of a 100-n person on earth?
question options:

1 kg

10 kg

100 kg

1,000 kg

Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)

Jose and eric were given four samples in lab. the results of their analysis are shown in the table. based on the data they collected, which sample is most likely a metal?

Scientists often deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each of these numbers in an alternate form.