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 times 10 superscript negative 5 baseline
1.21×10−4
1.21 times 10 superscript negative 4 baseline
1.21×10−3
1.21 times 10 negative cubed
12.1×10−4
The bot is wrong, I got a 3/5, here are the answers.
1.21 * 10^-3
Multiply the coefficients and add the exponents of the powers of 10.
1.4478 * 10^5 mm^2
7.35 * 10^6 ml
2.1_10^-5
There ya go.
1.21×10−5
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 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.
Multiply the coefficients and multiply the exponents of the powers of 10.
Multiply the coefficients and multiply the exponents of the powers of 10.
Add the coefficients and multiply the exponents of the powers of 10.
Multiply the coefficients and add the exponents of the powers of 10.
A tape dispenser holds 1.14×104 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
1.4478×104 mm2
1.4478 times 10 superscript 4 baseline mm squared
1.4478×105 mm2
1.4478 times 10 superscript 5 baseline mm squared
14.478×104 mm2
14.478 times 10 superscript 4 baseline mm squared
14.478×105 mm2
1.4478×105 mm2
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
7.35×107 ml
7.32 times 10 superscript 7 baseline ml
7.35×105 ml
7.35 times 10 superscript 5 baseline ml
0.735×107 ml
0.735 times 10 superscript 7 baseline ml
7.35×106 ml
7.35×107 ml
Multiply 0.75 by 2.8×10−5
.(1 point)
Responses
2.1×10−5
2 point 1 times 10 to the negative 5 power
2.1×10−6
2 point 1 times 10 to the negative 6 power
2.1×10−4
2 point 1 times 10 to the negative 4 power
2.1×10−7