A phone app is downloaded 1,900,000,000 times. Enter this number in scientific notation.
1.9 x 109
4.34 x 102
434
Order the numbers from least to greatest.
4.9 x 104
490,000
4.9
4.9 x 103
4.9
4.9 x 103
4.9 x 104
490,000
2.1×103 is ____ times as much as 8.4×105.
1/400
Written in scientific notation, what is the sum (6.4×107)+(7.9×107)?
1.43 x 108
A song is streamed approximately 2,500,000,000 times. What is this number in scientific notation.
2.5 x 109
2.89 x 105
289,000
Order the numbers from least to greatest.
5670
56.7
5.67 x 104
5.67 x 102
56.7
5.67 x 102
5670
5.67 x 104
In 1700, the world population was approximately 6.2×108 people. In 2042, the world population is projected to be approximately 9.3×109 people.
The projected world population in 2042 is approximately ___ times as large as it was in 1700.
15
Written in scientific notation, what is the sum (3.7×104)+(8.5×104)?Written in scientific notation, what is the sum (3.7×104)+(8.5×104)?
1.22 x 105
Scientists discovered fossils in Australia that are about 3,500,000,000 years old. Enter this number in scientific notation.
3.5 x 109
4.91 x 106
4,910,000
Order the numbers from least to greatest.
9.2 x 103
920
9.2
9.2
920
9.2 x 103
4.8×104 is _____ times as much as 9.6×106.
1/200
Written in scientific notation, what is the sum (5.3×109)+(6.8×109)?
1.21 x 1010
Scientists discovered fossils in Australia that are about 3,500,000,000 years old. Enter this number in scientific notation.
3.5 x 109
4.12 x 1/10
0.412
Order the numbers from least to greatest.
3.85 x 102
38,500
3.85 x 103
3.85 x 102
3.85 x 103
38,500
7.8×108 is ___ times as much as 2.6×106.
30
Find the difference (9.56×107)−(4.31×106). Enter your answer in scientific notation.
9.129 x 107
Everest is 8,848.86 meters tall. Convert to scientific notation
8.84 x 103
5.89 x 1/1000
0.00589
Order from least to greatest.
0.001
1 x 1/100
1 x 1/1000
1 x 1/100
1 x 1/1000
0.002
Approximately 1.3×105 people ride the subway every weekday in city A. Approximately 5.2×106 people ride the subway every weekday in city B.
The number of people who ride the subway in city B is approximately ____ times as many as the number who ride in city A.
40
Find the difference (4.68×104)−(3.22×103). Enter your answer in scientific notation.
4.358 x 104