Scientific Notation and Unit Conversion

How would you write 4.3756 x 10⁴ in standard (decimal) form?

• 437,560,000
• 0.00043756
• 43,756
• 4,3756

Write 0.000972 in scientific notation.

• 9.72 x 10^-4
• 9.72 x 10^-3
• 972 x 10^-4
• 9.72 x 10⁴

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

Try to change the number back to standard form: 3.97  x  10^-2

• 0.000397
• 0.0397
• 0.0000397
• 0.397

Try to change the number back to standard form:  6.79  x  10⁴

• 679,000
• 6,790
• 67,900
• 6,790,000

Solve:
(2.1×10​²​​) × (3.0×10​⁴)

• 5.1 x 10²
• 6.3 x 10⁶
• 5.1 x 10⁶
• 6.3 x 10⁸

Solve:
(6 x 10⁶) / (2 x 10³)

• 12 x 10³
• 3 x 10⁹
• 1.2 x 10⁴
• 3 x 10³

The Olympic record for the high jump is just over 2.6 yards. What is that distance in feet?  (3 ft=1 yd)

• 0.867 ft
• 7.8 ft
• 8.07 ft
• 8.27 ft

A supercomputer can do 136.8 teracalculations per second. How many calculations can it do in a microsecond.

• 1.368 x 10⁸ calculations

• 1.368 x 10⁶ calculations

• 1.368 x 10^-8 calculations

• 136.8 x 10⁸ calculations

Zoe works in a bakery. She uses 250 milliliters of milk to make a loaf of bread. How many liters of milk will she need to make 15 loaves of bread?

• 3.75 liters

• 37.5 liters

• 375 liters

• 3,750 liters