Asked by shoto aizawa

Subtract 4.66×10^−5−7.34×10^−7(1 point)
Responses

−4.5866×10−5
negative 4.5866 times 10 superscript negative 5 baseline
2.68×102
2.68 times 10 squared
−2.68×102
negative 2.68 times 10 squared
4.5866×10−5
Answered by shoto aizawa
The U.S. national debt was $2.9617×10^13 in 2021 and $3.98×10^11 in 1971. Find how much the debt increased in the 50-year period. (1 point)
Responses

$2.9219×1013
2.9219 dollars times 10 superscript 13 baseline
$3.0015×1013
3.0015 dollars times 10 superscript 13 baseline
$1.0183×1024
1.0183 dollars times 10 superscript 24 baseline
$2.9219×10^11
Answered by shoto aizawa
thats wrong and not one of the answers put out
Answered by shoto aizawa
The U.S. national debt was $2.9617×10^13 in 2021 and $3.98×10^11 in 1971. Find how much the debt increased in the 50-year period. (1 point)
Responses

$2.9219×10^13
2.9219 dollars times 10 superscript 13 baseline
$3.0015×10^13
3.0015 dollars times 10 superscript 13 baseline
$1.0183×10^24
1.0183 dollars times 10 superscript 24 baseline
$2.9219×10^11
Answered by shoto aizawa
The size of a hydrogen atom is about 1.2×10^−10 m across. The size of an oxygen atom is 0.000000000152 m across. What is the difference between the sizes of these atoms in scientific notation?(1 point)
Responses

2.72×10^−10 m
2.72 times 10 superscript negative 10 baseline m
3.2×10^−9 m
3.2 times 10 superscript negative 9 baseline m
3.2 ×10^−10 m
3.2 times 10 superscript negative 10 baseline m
3.2×10^−11 m
3.2 times 10 superscript negative 11 baseline m
Answered by shoto aizawa
Platelets and red blood cells are components of the blood. A typical platelet and red blood cell have diameters of approximately 2.33×10^−6 m and 0.0000075 m, respectively. Which blood component has a bigger diameter, and approximately by how much?(1 point)
Responses

A platelet has a bigger diameter than a red blood cell by 5.17×10^−6 m.
A platelet has a bigger diameter than a red blood cell by 5.17 times 10 superscript negative 6 baseline m.
A red blood cell has a bigger diameter than a platelet by 9.83×10^−6 m.
A red blood cell has a bigger diameter than a platelet by 9.83 times 10 superscript negative 6 baseline m.
A platelet has a bigger diameter than a red blood cell by 9.83×10^−6 m.
A platelet has a bigger diameter than a red blood cell by 9.83 times 10 superscript negative 6 baseline m.
A red blood cell has a bigger diameter than a platelet by 5.17×10^−6 m.
Answered by shoto aizawa
China and India are the most populous countries in the world. China’s population is approximately 1.45×10^9, while India’s population is approximately 1,400,000,000. How many more people live in China than in India?(1 point)
Responses

5×10^9
5 times 10 superscript 9 baseline
5×10^7
5 times 10 superscript 7 baseline
5×10^10
5 times 10 superscript 10 baseline
5×10^8
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