Q1_QUIZ BOWL (2025-2026)

Which of the following notations does NOT equal to 4.50 × 10⁻² ?

• 4.50 × 10⁻²

• 0.45 × 10⁻¹

• 45.0 × 10⁻³

• 0.0450 × 10⁻¹

How would you write 7.25 × 10⁻⁴ in standard form and 0.0000890 in scientific notation, respectively?

• 0.0000725; 8.90 × 10⁻⁶

• 0.000725; 0.000890

• 0.000725; 8.90 × 10⁻⁵

• 0.00725; 0.000890

Which of the following has the greatest number of significant digits?

• A water bottle labeled 0.005200 L

• A package of rice weighing 25.00 kg

• A runner completing 3 laps in 0.00713 hours

• A survey reporting 48,000 households in a barangay

What is 0.004376 rounded to three and five significant figures, respectively?

• 0.004; 0.0044

• 0.00437; 0.004400

• 0.0044; 0.004380

• 0.00438; 0.0043760

You pour 16 ounces of juice into a reusable cup at a school event. If 1 liter = 33.814 ounces, how many liters of juice do you have, and how many more liters are needed to make exactly 2 liters?

• 0.250 liters, 1.750 liters needed
• 1.000 liters, 1.000 liters needed
• 4.73 x 10^-1 liters, 1.400 liters needed

• 4.73 x 10^-1 liters, 1.53 liters needed

You use a low-flow showerhead that uses 2 gallons per minute instead of 5. How many gallons of water do you save during a 10-minute shower? Convert the saved water into liters (1 gallon = 3.785 liters).

• 113.55 liters
• 50 liters
• 90 liters
• 75 liters

a. A car slowing down while making a left turn is accelerating.

b. A car going around Fuente Osmeña circle at a constant speed is accelerating.

• if the 1^st statement is true, the 2^nd statement is false

• if the 1^st statement is false, the 2^nd statement is true

• if both statements are true

• if both statements are false

a. If a car moves with constant velocity, it also moves with constant speed.

b. If a car moves with constant speed, it also moves with constant velocity.

 

• if the 1^st statement is true, the 2^nd statement is false

• if the 1^st statement is false, the 2^nd statement is true

• if both statements are true

• if both statements are false

a. A car can change its velocity without changing its speed.

b. A car can change its speed without changing its velocity.

• if the 1^st statement is true, the 2^nd statement is false

• if the 1^st statement is false, the 2^nd statement is true

• if both statements are true

• if both statements are false

a. A car slowing down while making a left turn is accelerating.

b. A car going around Fuente Osmeña circle at a constant speed is not accelerating.

• if the 1^st statement is true, the 2^nd statement is false

• if the 1^st statement is false, the 2^nd statement is true

• if both statements are true

• if both statements are false