Explain how we can use comparisons to put numbers in perspective. Give an example.

Briefly describe scientific notation. How is it useful for writing large and small numbers? How is it useful for making approximations?

which of the following is found in eukaryotic cells but not in prokaryotic cells?

Both animal and plant cells contain these energy-processing organelles.

a. ribosomes

b. mitochondria

c. lysosomes

d. chloroplasts

e. Golgi apparatus

If an animal cell is living in water that is much saltier than the cell's cytoplasm, the water _____

A) will enter the cell, bind salts in the cytoplasm, and then leave the cell.
B) will move out of the cell.
C) will leave the cell, bind salt in the water, and then re-enter the cell.
D) will neither move in or out of the cell.
E) will enter the cell.

Where is the DNA located in eukaryotes?

The exoskeleton of an arthropod (a) provides protection and support (b) plays a role in movement $(c)$ contains chitin (d) all of the above.

Decide whether the following statement makes sense or not. Explain your reason Emma and Emily are good friends who do everything together, spending the same amounts on eating out, entertainment, and other leisure activities. Yet Emma has a negative monthly cash flow while Emily's is positive because Emily has more income.

For each pair of measurements, state which one is more accurate and which one is more precise.

Your true height is $62.50$ inches. A tape measure that can be read to the nearest $\frac{1}{8}$ inch gives your height as $62 \frac{5}{8}$ inches. A new laser device at the doctor's office that gives readings to the nearest $0.05$ inch gives your height as $62.50$ inches.

Find out the absolute and relative errors in the following situation. The vote count in a precinct is $1876$. It is later discovered that three votes were overlooked.

Find out the absolute and relative errors in the following situation. The actual distance to Minot is $46.7$ miles, but your odometer reads $45.8$ miles.

Find out the absolute and relative errors in the following situation. You buy a sweater for $\$ 60.45$ including tax, but your credit card statement shows a charge of $\$ 70.45$.

Find out the absolute and relative errors in the following situation. The label on a bag of concrete says " $60$ pounds," but the true weight is only $58$ pounds.

Write each of the following numbers in scientific notation. a. $3578$ b. $984.35$ c. $0.0058$ d. $624.87$ e. $0.0003005$ f. $98.180004$