Scientific notation

What is the standard for of the following expression?

2.83 x 10⁶

• 0.002830

• 2,830,000

• 28300

• 0.283

The coefficient is which part of the following expression?

3.73 x 10⁹

• 3.73

• 10⁹

• 9

• x

Which of the following has the largest value?

3,400,000

3.4 x 10^-5

64,000

6.4 x 10⁸

• 3,400,000

• 3.4 x 10^-5

• 64,000

• 6.4 x 10⁸

Which of the following has the smallest value?

2.3 x 10²

2.3 x 10⁰

2.3 x 10^-2

2.3 x 10¹

• 2.3 x 10²

• 2.3 x 10⁰

• 2.3 x 10^-2

• 2.3 x 10¹

How is 0.000387 written in scientific notation?

• 387 x 10⁶

• 3.87 x 10⁴

• 38.7 x 10^-3

• 3.87 x 10^-4

The standard form of 7.21 x 10⁶ is

• 721,000,000

• 721,000

• 7,210,000

• 7,210

How would 6.14 x 10^-3 be written in standard form?

• 0.00614

• 6,140

• 0.000614

• 61,400

Which part of the scientific notation expression tells you how many places the decimal point will move?

• the coefficient

• the power of ten

Which part of the scientific notation expression tells you whether the decimal point moves to the left or the right?

• the exponent

• the coefficient

• the base of 10

If the standard is a number larger than one, the exponent will be _____.

• positive

• negative