Standard Form Operations Quiz

What is the range for the front number in standard form?

• Between 0 and 100

• Between 0 and 10

• Between 1 and 10

• Between 1 and 100

What must be true about the powers of two numbers in standard form before you can add or subtract them?

• They must be negative

• They must be different

• They must be the same

• One must be zero

When adding or subtracting numbers in standard form, what do you do with the front numbers?

• Ignore them

• Add or subtract them

• Divide them

• Multiply them

In the example of subtracting 5.6 x 10^6 and 4.2 x 10^5, what is the first step?

• Add the front numbers

• Ignore the powers

• Multiply the powers

• Change the powers to be the same

How do you adjust the front number when increasing the power by one in standard form?

• Double it

• Keep it the same

• Make it 10 times larger

• Make it 10 times smaller

In the example of adding 7.4 x 10^8 and 9.5 x 10^9, what adjustment is made to 7.4 x 10^8?

• It is changed to 0.74 x 10^8

• It is changed to 7.4 x 10^9

• It is changed to 0.74 x 10^9

• It is changed to 74 x 10^9

What must be done if the front number exceeds 10 after an operation in standard form?

• Decrease the power by one

• Increase the power by one

• Multiply the power by two

• Leave it as is

In the example of subtracting with negative powers, which power is considered larger?

• Negative five

• Zero

• Negative four

• Positive five

What is the result of subtracting 6.3 x 10^-4 and 3.5 x 10^-5?

• 1.2 x 10^-4

• 2.8 x 10^-4

• 5.95 x 10^-4

• 9.8 x 10^-4

What is the final step in ensuring your answer is correct in standard form?

• Check if the front number is between 1 and 10

• Check if the power is positive

• Check if the power is negative

• Check if the front number is zero