Scientific Notation and Exponent Laws and Estimating Imperfect Squares

When writing a number in scientific notation, the first number must be greater than 1, but less than 10.

• False

• True

Which one of these is in scientific notation?

• 8.987000

• 8.98 x 10⁶

• 80.987 x 10

• 8.98⁶

How would you write 564,000,000 in scientific notation?

• 5.64 x 10^-7

• 5.64 x 10⁶

• 5.64 x 10⁸

• 56.4 x 10⁷

5³⋅5⁴

• 5⁷

• 5⁻¹

• 5¹²

• 5

According to exponent rules, when we multiply the expressions we _______ the exponents.

• add

• subtract

• multiply

• divide

In 2³ what is the base?

• 2

• 3

• 2³

What is the value of 4.2 xz 10^-3?

• 0.00042

• 0.42

• 0.0042

• 4200

Find the value of the power.
5⁴

• 625

• 20

• 50

How would you write 4.3756 x 10⁴ in standard form?

• 437560000

• 0.00043756

• 43756

• 4.3756

How do you write 8.317 x 10⁶ in standard form?

• 8,371,000

• 83,170,000

• 837,100

• 8,317,000