Question

What is 5.5×10^4 multiplied by 2.2×10^−8 ? Write the answer in scientific notation.(1 point)

Responses

1.21×10^−5

1.21×10^−3

12.1×10^−4

1.21×10^−4

Answer 1

[AI-generated answer — Bot GPT 3.5]

The correct answer is 1.21×10^−3.

Answer 2

When multiplying two numbers in scientific notation, what operations do you use on the coefficients and the exponents of the powers of 10?(1 point)

Responses

Multiply the coefficients and multiply the exponents of the powers of 10.
Multiply the coefficients and multiply the exponents of the powers of 10.

Multiply the coefficients and add the exponents of the powers of 10.
Multiply the coefficients and add the exponents of the powers of 10.

Add the coefficients and add the exponents of the powers of 10.
Add the coefficients and add the exponents of the powers of 10.

Add the coefficients and multiply the exponents of the powers of 10.

Answer 3

[AI-generated answer — Bot GPT 3.5]

When multiplying two numbers in scientific notation, you multiply the coefficients and add the exponents of the powers of 10.

Answer 4

A tape dispenser holds 1.14×10^4 mm of tape that is 12.7 mm wide. Multiply the two numbers to find the total area in square millimeters of tape. Write the product in scientific notation.(1 point)

Responses

1.4478×10^4 mm2

1.4478×10^5 mm2

14.478×10^4 mm2

14.478×10^5 mm2

Answer 5

[AI-generated answer — Bot GPT 3.5]

To find the total area in square millimeters of tape, you need to multiply 1.14×10^4 mm by 12.7 mm.

The product is 1.4478×10^5 mm^2. Therefore, the correct answer is 1.4478×10^5 mm^2.

Answer 6

A sugar cube has a volume of about 4.9 ml. What is the total volume in milliliters of 1.5×106 sugar cubes?(1 point)

Responses

7.35×10^5 ml

7.35×10^7 ml

7.35×10^6 ml

0.735×10^7 ml

Answer 7

[AI-generated answer — Bot GPT 3.5]

To find the total volume in milliliters of 1.5×10^6 sugar cubes, you need to multiply the volume of one sugar cube (4.9 ml) by the number of sugar cubes (1.5×10^6).

The product is 7.35×10^6 ml. Therefore, the correct answer is 7.35×10^6 ml.

Answer 8

A sugar cube has a volume of about 4.9 ml. What is the total volume in milliliters of 1.5×10^6 sugar cubes?(1 point)

Responses

7.35×10^5 ml

7.35×10^7 ml

7.35×10^6 ml

0.735×10^7 ml

Answer 9

[AI-generated answer — Bot GPT 3.5]

To find the total volume in milliliters of 1.5×10^6 sugar cubes, you need to multiply the volume of one sugar cube (4.9 ml) by the number of sugar cubes (1.5×10^6).

The product is 7.35×10^6 ml. Therefore, the correct answer is 7.35×10^6 ml.

Answer 10

Multiply 0.75 by 2.8×10^−5

2.1×10−4

2.1×10^−6

2.1×10^−5

2.1×10^−7

Answer 11

[AI-generated answer — Bot GPT 3.5]

To multiply 0.75 by 2.8×10^-5, you multiply the decimal numbers and add the exponents of the powers of 10.

0.75 * 2.8 = 2.1

10^0 * 10^-5 = 10^(-5+0) = 10^-5

Therefore, the product is 2.1×10^-5.