5.2A/C Check 1

Front

What is expanded notation?

Back

Expanded notation is a way of writing numbers to show the value of each digit. For example, the number 345 can be written as (3 × 100) + (4 × 10) + (5 × 1).

Front

How do you write 49.99 in expanded notation?

Back

(4 × 10) + (9 × 1) + (9 × 0.1) + (9 × 0.01)

Front

What is the value of the digit 7 in the number 5.807?

Back

The value of the digit 7 is (7 × 0.001).

Front

What is the value of the digit 5 in the number 5.807?

Back

The value of the digit 5 is (5 × 1).

Front

What is the value of the digit 8 in the number 5.807?

Back

The value of the digit 8 is (8 × 0.1).

Front

How do you round 16.24 to the nearest tenth?

Back

16.24 rounded to the nearest tenth is 16.4.

Front

What is the weight of one nickel rounded to the nearest hundredth?

Back

0.18 ounces.

Front

Which weight could be the actual weight of one nickel if it is rounded to 0.18 ounces?

Back

0.176 oz.

Front

What is the expanded notation for the speed 250.69 km/h?

Back

(2 × 100) + (5 × 10) + (6 × \frac{1}{10}) + (9 × \frac{1}{100})

Front

What does rounding mean in mathematics?

Back

Rounding is the process of adjusting a number to a nearby value that is simpler or more convenient, often to a specified place value.