(5²)³

^{Hint: Use Power of a Power Property}

Simplify the expression.

Hint: Use Quotient of Power Property

Simplify:

$$7^0$$

Hint: Use Zero Exponent Property

Which expression is equivalent to $$3^{-5}$$ ?

Hint: Use Negative Exponent Property

How would you write 0.0005 in scientific notation?

The average estimated distance Mercury is from the sun is $$2\cdot10^2$$ m. The average estimated distance Neptune is from the sun is $$8\cdot10^{-2}$$ m. About how many times farther is Neptune from the sun than Mercury?

Hint: Use Dividing Numbers in Scientific Notation

A geology class is studying a sample of rock and a sample of dry sponge. The rock sample has a mass of 1×10¹ kg. The dry sponge sample has a mass of 2×10^-3 kg. Which sample has a greater mass? How many times greater?

A TV show had 3.5 × 10⁶ viewers for their first episode and 8.5 × 10⁶ viewers for their second episode. How many viewers did they have overall?