Question

The radius of a hydrogen atom is 0.0000000529177 of a millimeter. Express this number as an approximation.(1 point)
Responses

0.00000006
0.00000006

0.0000000053
0.0000000053

0.0000005
0.0000005

0.00000005
Answer
How many times is 4 × 104 larger than 2 × 102?(1 point)
Responses

2,000
2,000

200
200

20
20

2
Answer
At the end of fiscal year 2004, the federal debt of Country C is $278,560,125,000. What is the closest estimation of this amount? Express your answer in the form of a single digit times an integer power of 10.(1 point)
Responses

3 × 1011
3 times 10 superscript 11 baseline

2 × 1011
2 times 10 superscript 11 baseline

2.79 × 1011
2.79 times 10 superscript 11 baseline

3 × 10−11
Answer
How many times less is 102 than 106? Express your answer as an integer power of 10.(1 point)
Responses

104
10 superscript 4 baseline

0.0001
0.0001

10,000
10,000

10−4
Answer

Estimate Large and Small Quantities Quick Check
5 of 55 of 5 Items
Question
Roughly, it takes light less than 0.000000003 of a second to travel a one-meter distance. Express this number in the form of a × 10n where 1 < a < 10 and is a one-digit number.(1 point)
Responses

3 × 108
3 times 10 superscript 8 baseline

3 × 10−9
3 times 10 superscript negative 9 baseline

3 × 10−8
3 times 10 superscript negative 8 baseline

3 × 109
3 times 10 superscript 9 baseline
Answered by ADALETA P HAUGHT
0.00000005


200

3 × 10^11


10^4

3 × 10^−9 bot is wrong this time he is some times wrong it is confusing :/

Answered by GPT 3.5
0.00000005
Answered by GPT 3.5
2
Answered by GPT 3.5
2.79 x 10^11
Answered by GPT 3.5
10^4
Answered by GPT 3.5
3 x 10^8