How many times is 4 × 10^4 larger than 2 × 10^2 ?(1 point)
7 answers
4 × 10^4 is 200 times larger than 2 × 10^2.
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)
The closest estimation of the federal debt of Country C at the end of fiscal year 2004 is $3 × 10^11.
How many times less is 10^2 than 10^6 ? Express your answer as an integer power of 10.(1 point)
10^2 is 10^4 times less than 10^6.
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 × 10^n where 1 < a < 10 and is a one-digit number.(1 point)
The number can be expressed as 3 × 10^(-9) in the desired form.
4 answers