Short Quiz

Question 1 of 5

In a magical pond, the number of lotuses doubles every day. After 30 days, the pond is completely full of lotuses. On which day was it exactly half full?

A 15th day B 29th day C 10th day D 28th day

Select one option. Answers are shown after the test.

Question 2 of 5

Write \( 2^{-4} \) with a positive exponent.

A \( -2^4 \) B \( \frac{1}{2^4} \) C \( 16 \) D \( 8 \)

Select one option. Answers are shown after the test.

Question 3 of 5

Estu has 4 dresses and 3 caps. In how many different ways can Estu combine the dresses and caps?

A 7 B 12 C 8 D 64

Select one option. Answers are shown after the test.

Question 4 of 5

Express 34,30,000 in standard scientific notation.

A \( 34.3 \times 10^5 \) B \( 3.43 \times 10^6 \) C \( 3.43 \times 10^7 \) D \( 0.343 \times 10^7 \)

Select one option. Answers are shown after the test.

Question 5 of 5

Roxie has 7 dresses, 2 hats, and 3 pairs of shoes. How many different complete outfits can she create?

A 12 B 21 C 42 D 14

Select one option. Answers are shown after the test.

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