Standard to Scientific
1200
1.2 x 103
2 x 103
2000
(7.1 × 10−5)(6.7 × 10−6)
4.757 x 10-10
The bedroom of our house is 1,200 cubic meters. We know that there are 3.4 x 109 particles of dust per cubic meter. Write how many particles of dust are present in the bedroom of our house.
4.08 x 1012
convert to scientific notation
3.56 x 106
3,560,000
.0034
3.4 x 10-3
3.1 x 10-5
.000031
(6 × 103 )(9.91 × 100 )
5.946 x 104
Find out the weight of 6 billion dust particles, if a dust particle has a mass of 7.53 x 10-10 g.
4.518 x 100
(1.08 × 10−3)(9.3 × 10−3)
1.004 x 10-5
630,200,000
6.302 x 108
6.1456 x 105
614,560
5.4 × 10−1 divided by 3.4 × 101
1.588235294 x 10-2
Last month, my friend bought a computer. If it can perform 4.66 x 108 calculations per second, what is the performance of the computer in one minute?
2.796 x 1010
Convert to standard form
1.009001 x 104
10,090.01
6,000,001,000
6.000001 x 109
4.53001 x 104
45,300.1
(3.48 × 103 )(9.8 × 104 )
3.4104 x 108
Through research, scientists found that the body of a 200 lb person consists of 3.2 x 10-5 lbs of zinc. In the bodies of 1,500 such people, how much zinc is present?
4.8 x 10-2
Convert to standard notation
7.19 x 105
719,000
51.432
5.1432 x 10
7.42145 x 107
74,214,500
(2 × 10−4)(8.1 × 10−1)
1.62 x 10-4
If we suppose that the volume of Lake Rason is approximately 2.56 x 105 km3 and Lake Rason is 20 times the volume of Lake Rushy, write the volume of Lake Rushy
5.12 x 106
Scientists discovered that the size of the Antarctic Ocean is 20,330,000 Km2. How big is the Arctic Ocean, if the Arctic Ocean is ¾ of the size of the Antarctic Ocean?
1.52475 x 107