Standard <> Scientific
Write 4,500 in scientific notation
4.5 x 103
Simplify: 10³ × 10²
10⁵
Which is greater: 10² or 10³?
10³
A strand of human DNA is approximately 2.5 × 10⁻⁹ meters wide. Write this in standard form.
Be sure to label the units in your answer.
0.0000000025 m
5 × 10³ = ? in standard form
5,000
Write 0.00072 in scientific notation
7.2 x 10-4
Simplify: 10⁷ ÷ 10³
10⁴
Which is greater: 500 or 5 × 10²?
They are equal
Earth is approximately 1.5 × 10⁸ km from the Sun. Write this distance in standard form.
Be sure to label the units in your answer.
150,000,000 km
? × 10⁴ = 700,000
70
Write 6.03 x 105 in standard form
603,000
Simplify: (10³)²
10⁶
Which is greater: 7 × 10⁴ or 65,000?
7 × 10⁴
A microscopic organism is 0.000004 m long. Write its length in scientific notation.
Be sure to label the units in your answer.
4 × 10⁻⁶ m
4.2 × 10ⁿ = 42,000. Find n.
4
Write 8.04 x 10-6 in standard form
0.00000804
Simplify: 10⁻² × 10⁵
10³
Which is greater: 3.2 × 10⁻³ or 0.00032?
3.2 × 10⁻³
A certain bacteria population contains 3 × 10⁵ cells. Another contains 6 × 10³ cells. How many times larger is the first population?
Be sure to label the units in your answer.
50 times
? × 10⁻³ = 0.0067. Find ?.
6.7
A number is written as 0.000000391. Write it in scientific notation and explain how you know the exponent is negative.
3.91 × 10⁻⁷; the decimal moves 7 places to the right, so the exponent is negative.
Without a calculator, simplify: (10⁻³ × 10⁷) ÷ 10²
10²
Which statement is true?
A. 10² is 2 times as large as 10⁰
B. 10² is 10 times as large as 10⁰
C. 10² is 100 times as large as 10⁰
D. 10² is 1,000 times as large as 10⁰
C. 10² is 100 times as large as 10⁰
A scientist measures two distances: 4.8 × 10⁷ m and 6 × 10⁴ m. How many times farther is the first distance than the second?
Be sure to label the units in your answer.
800 times
3.5 × 10⁶ is how many times as large as 3.5 × 10³?
1,000 times