Decimals: Place value and powers of ten

Front

What is the place value of the digit 4 in the number 4.301?

Back

The place value of the digit 4 in the number 4.301 is 4 (thousands).

Front

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

Back

To compare two decimal numbers, align them by the decimal point and compare digit by digit from left to right.

Front

What is the result of multiplying a decimal by a power of ten?

Back

Multiplying a decimal by a power of ten shifts the decimal point to the right for positive powers and to the left for negative powers.

Front

Calculate 546.342 × 10^4.

Back

5,463,420.

Front

Calculate 546.23 × 10^4.

Back

5,462,300.

Front

What is the result of dividing a decimal by a power of ten?

Back

Dividing a decimal by a power of ten shifts the decimal point to the left for positive powers and to the right for negative powers.

Front

Calculate 768.324 ÷ 10^3.

Back

0.768324.

Front

Calculate 532,345.23 ÷ 10^4.

Back

53.234523.

Front

What is the significance of the decimal point in a number?

Back

The decimal point separates the whole number part from the fractional part, indicating the value of each digit.

Front

How do you express 0.768324 in scientific notation?

Back

0.768324 can be expressed as 7.68324 × 10^-1.