Repaso de Módulo 1

Front

What is scientific notation and how is it used?

Back

Scientific notation is a way of expressing numbers that are too large or too small to be conveniently written in decimal form. It is written as a product of a number (between 1 and 10) and a power of 10. For example, 7.77 x 10^4 represents 77700.

Front

How do you convert a number from scientific notation to standard form?

Back

To convert a number from scientific notation to standard form, you multiply the number by 10 raised to the power indicated. For example, 7.77 x 10^4 = 7.77 * 10000 = 77700.

Front

What is the value of 10 raised to the power of 2?

Back

10^2 = 100.

Front

How do you compare two numbers using >, <, or =?

Back

To compare two numbers, you determine which number is greater, which is smaller, or if they are equal. For example, 5 > 3, 2 < 4, and 7 = 7.

Front

How do you convert centimeters to meters?

Back

To convert centimeters to meters, divide the number of centimeters by 100. For example, 3.2 cm = 3.2 / 100 = 0.032 m.

Front

What is the relationship between decimals and fractions?

Back

Decimals and fractions are two ways of representing the same concept: parts of a whole. For example, 0.5 is equivalent to 1/2.

Front

How do you add decimals?

Back

To add decimals, align the decimal points and add as you would with whole numbers, carrying over if necessary.

Front

What is the value of 2 tenths plus 11 hundredths?

Back

2 tenths (0.2) plus 11 hundredths (0.11) equals 0.31.

Front

How do you compare decimals?

Back

To compare decimals, align the decimal points and compare digit by digit from left to right.

Front

What is the significance of rounding in measurements?

Back

Rounding is used to simplify numbers while maintaining a value that is close to the original. It is important in measurements to ensure clarity and precision.