Unit 2 Review

Front

What is standard form in mathematics?

Back

Standard form is a way of writing numbers using powers of ten. It expresses numbers as a product of a coefficient and a power of ten.

Front

Convert 517 * 10^5 into standard form.

Back

51,700,000

Front

If a box holds 15 jars and you have 52 jars, how do you calculate the number of boxes needed?

Back

Divide the total number of jars by the number of jars per box: 52 ÷ 15 = 3 with a remainder.

Front

What is the final answer for the number of boxes needed if you have 52 jars and each box holds 15 jars?

Back

3 boxes.

Front

What does '3 r7' mean in the context of dividing jars into boxes?

Back

It means 3 full boxes can be filled, and there are 7 jars remaining.

Front

How do you estimate the product of 549 * 7?

Back

Round 549 to the nearest hundred (500) and then multiply: 500 x 7 = 3,500.

Front

What is the purpose of estimating in mathematics?

Back

Estimating helps to quickly assess the reasonableness of an answer without calculating the exact value.

Front

What is the process for converting a number in scientific notation to standard form?

Back

Multiply the coefficient by 10 raised to the power indicated.

Front

How do you handle remainders when calculating the number of boxes needed for jars?

Back

You can either round up to the next whole box or note the remainder for future use.

Front

What is the significance of using powers of ten in standard form?

Back

Powers of ten simplify the representation of very large or very small numbers.