Mathematical Concepts and Applications

If a type of bacteria doubles every hour, and you start with 1 bacterium, how many bacteria will there be after 3 hours?

• A: 2

• B: 4

• C: 8

• D: 16

In the metric system, what is the base unit for measuring mass?

• A: Meter

• B: Liter

• C: Gram

• D: Second

Some animals, like fish, lay many eggs. If a fish lays 32 eggs and half of them survive, how many baby fish are left?

• A: 8

• B: 16

• C: 24

• D: 32

The sun provides "power" to Earth. What is the process called when plants use sunlight to make their own food?

• A: Respiration

• B: Photosynthesis

• C: Evaporation

• D: Germination

In a mathematical pattern shown, when the numbers 3 and 5 are combined using addition, what is the resulting value?

• 2

• 8

• 15

• 35

When observing how numbers with the same base are multiplied, if a base number is multiplied by itself 3 times, and then multiplied by itself 5 more times, what is the total number of times the base number has been multiplied by itself?

• 2 times

• 8 times

• 15 times

• 35 times

A scientist is studying a sample that is 1/9 of a larger substance. If this sample is then divided into 81 equal smaller parts, what fraction represents one of these tiny parts compared to the original larger substance?

• 1/90

• 1/729

• 9/81

• 81/9

Imagine the temperature is -2 degrees Celsius. If the temperature then drops by 4 more degrees, what is the new temperature?

• 2 degrees Celsius

• -2 degrees Celsius

• 6 degrees Celsius

• -6 degrees Celsius