Circle the letter of the unit of mass commonly used in chemistry that equals 1/1000 kilogram. a. gram b. milligram c. milliliter

Simplify without using a calculator: $\frac{\log _{5} 27}{\log _{5} 9}$ Check your answer using a calculator.

Name five common prefixes in the metric system.

Solve each inequality. x-7<15

Circle the letter of each sentence that is true about units of volume. a. The SI unit for volume is derived from the meter, the SI unit for length. b. The liter (L) is a unit of volume. c. The liter is an SI unit. d. There are

$$1000 \mathrm { cm } ^ { 3 } \text { in } 1 \mathrm { L }$$

, and there are also 1000 mL in 1 L, so

$$1 \mathrm { cm } ^ { 3 }$$

is equal to 1 mL.

The International System of Units (SI) is a revised version of the _______.

Roberto says that the opposite of a certain integer is -5. Cindy concludes that the opposite of an integer is always negative. Explain Cindy's error.

Compare and contrast chemical reactions and nuclear reactions in terms of energy changes and the particles involved.

La mama de Miriam cocina. Miriam le lee receta. Completa las instrucciones de abajo con la forma

Si el tren sali^o de Boston a las cinco de la tarde, ¿a qu^e hora llega a Washington, D.C.? (a las 9pm)

Explain how to use the correlation coefficient for a sample to determine if there is a correlation in the population.

An access code is a sequence of 4 letters from the alphabet. How many codes are possible (a) If repetition of letters is allowed? (b) If repetitions are not allowed? (c) If there is at least one repetition?

Use an equivalent rate to convert 24 centiliters to liters.

For

$$\mathbf{p}=\left( \begin{array}{l}{1} \\ {5}\end{array}\right), \quad \mathbf{q}=\left( \begin{array}{c}{-2} \\ {4}\end{array}\right) \quad \text { and } \quad \mathbf{r}=\left( \begin{array}{c}{-3} \\ {-1}\end{array}\right)$$

find: a. -3p b. $\frac{1}{2} \mathbf{q}$ c. 2p + q d. p – 2q e. $\mathbf{p}-\frac{1}{2} \mathbf{r}$ f. 2p + 3r g. 2q – 3r h. $2 \mathbf{p}-\mathbf{q}+\frac{1}{3} \mathbf{r}$