The radius of a hydrogen atom is 0.0000000529177 of a millimeter. Express this number as an approximation.(1 point)
Responses
0.0000005
0.0000005
0.00000005
0.00000005
0.0000000053
0.0000000053
0.00000006
0.00000006
3 answers
The correct approximation of the radius of a hydrogen atom is 0.000000053.
How many times is 4 × 10^4 larger than 2 × 10^2?(1 point)
Responses
20
20
200
200
2,000
2,000
2
Responses
20
20
200
200
2,000
2,000
2
To determine how many times 4 × 10^4 is larger than 2 × 10^2, we can divide 4 × 10^4 by 2 × 10^2:
(4 × 10^4) / (2 × 10^2) = 2 × 10^2
So, 4 × 10^4 is 200 times larger than 2 × 10^2.
(4 × 10^4) / (2 × 10^2) = 2 × 10^2
So, 4 × 10^4 is 200 times larger than 2 × 10^2.