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Questions and Answers
What is the total mass of the Earth and Moon combined?
What is the total mass of the Earth and Moon combined?
- 6.0435 × 10^22 kg (correct)
- 6.04 × 10^23 kg
- 6.04 × 10^22 kg
- 6.0435 × 10^23 kg
During a solar eclipse, when the Moon comes between Earth and Sun, what is the distance between Moon and Sun?
During a solar eclipse, when the Moon comes between Earth and Sun, what is the distance between Moon and Sun?
- 1492.16 × 10^6 m
- 1.49216 × 10^8 m
- 1492.16 × 10^9 m (correct)
- 1.49216 × 10^12 m
What is 0.000035 expressed in standard form?
What is 0.000035 expressed in standard form?
- 3.5 × 10^-5 (correct)
- 35 × 10^-5
- 35 × 10^-6
- 3.5 × 10^-4
Express 4050000 in usual form.
Express 4050000 in usual form.
What is the total mass of Earth and Moon if the masses were both multiplied by 100?
What is the total mass of Earth and Moon if the masses were both multiplied by 100?
If the distance between Earth and Moon is doubled, what will be the new distance in standard form?
If the distance between Earth and Moon is doubled, what will be the new distance in standard form?
Express $3.52 imes 10^5$ in usual form.
Express $3.52 imes 10^5$ in usual form.
$7.54 imes 10^{-4}$ equals:
$7.54 imes 10^{-4}$ equals:
$3 imes 10^{-5}$ in usual form is:
$3 imes 10^{-5}$ in usual form is:
$1492.16 \times 10^8$ is equal to:
$1492.16 \times 10^8$ is equal to:
When expressing very small numbers in standard form, what kind of exponents are typically used?
When expressing very small numbers in standard form, what kind of exponents are typically used?
What is the rule for multiplying numbers with negative exponents?
What is the rule for multiplying numbers with negative exponents?
Which expression represents the standard form of $0.0000005$ meters?
Which expression represents the standard form of $0.0000005$ meters?
What is the total thickness of a stack with 5 books, each 20 mm thick, and 5 paper sheets, each 0.016 mm thick?
What is the total thickness of a stack with 5 books, each 20 mm thick, and 5 paper sheets, each 0.016 mm thick?
To express $3.61492 \times 10^6$ in usual form, you would get:
To express $3.61492 \times 10^6$ in usual form, you would get:
Which law of exponents states that for any real number $a$, $a = 1$?
Which law of exponents states that for any real number $a$, $a = 1$?
What does the law $a^m \div a^n = a^{m-n}$ represent for numbers with negative exponents?
What does the law $a^m \div a^n = a^{m-n}$ represent for numbers with negative exponents?
Expressing $4.5 \times 10^4$ in usual form gives:
Expressing $4.5 \times 10^4$ in usual form gives:
"Size of a plant cell is $0.00001275$ m" can be expressed in standard form as:
"Size of a plant cell is $0.00001275$ m" can be expressed in standard form as:
$31860000000$ can be expressed in standard form as:
$31860000000$ can be expressed in standard form as:
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