Dividing Powers and Scientific Notation

What is the initial step when dividing numbers written in scientific notation?

• Divide the exponents

• Separate the division into two fractions

• Add the numerical coefficients

• Multiply the powers of 10

When dividing 7 x 10^12 by 2 x 10^7, what is the result of dividing the numerical coefficients?

• 3.0

• 3.5

• 4.0

• 4.5

What rule is applied to the exponents when dividing powers with the same base?

• Add the exponents

• Multiply the exponents

• Subtract the exponents

• Divide the exponents

What is the result of 10^5 divided by 10^-2?

• 10^3

• 10^7

• 10^-10

• 10^-3

When dividing 10^12 by 10^7, what is the resulting power of 10?

• 10^19

• 10^5

• 10^84

• 10^-5

What is the quotient of (7 x 10^12) / (2 x 10^7) in scientific notation?

• 3.5 x 10^19

• 3.5 x 10^5

• 35 x 10^4

• 0.35 x 10^6

In scientific notation, what is the correct range for the mantissa (the numerical part)?

• Greater than 0 and less than 10

• Greater than or equal to 1 and less than 10

• Greater than 1 and less than or equal to 10

• Any real number

If a number is initially calculated as 15 x 10^3, how should it be written in correct scientific notation?

• 1.5 x 10^3

• 1.5 x 10^4

• 1.5 x 10^2

• 150 x 10^2

Which of the following is NOT a valid mantissa for a number written in scientific notation?

• 1.0

• 9.9

• 0.9

• 5.7

When dividing 2.4 x 10^7 by 4.8 x 10^2, what is the result of dividing the numerical coefficients?

• 0.5

• 2.0

• 5.0

• 0.2