The surface of the Earth is water and land. The approximate total surface area of Earth is 5.1 x 10^8 km2 and the approximate total surface area of water is 361,000,000 km2. About how much of Earth's surface area is land?
What is 1.49 x 10^8
100
0.000804 in scientific notation
What is 8.04 x 10^-4
100
(7.092 x 10^-4)*(7 x 10^-2)
What is 4.9644 x 10^-5?
100
((2 x 2^2)/(2^4))^3
What is 1/(2^3)
100
81 = 5(7a - 5) + 1
What is 3?
200
Solve the expression. Write your answer in scientific notation. (3.7 x 10^9) + (9.04 x 10^9)
1.274 x 10^10
200
1.9 x 10 ^ 2 in standard notation
What is 190?
200
(1.7 x 10^0) * (1.92 x 10^-5)
What is 3.264 x 10^-5?
200
((2^3)^-4)/(2*2^3)
What is 1/(2^16)?
200
Simplify 3(3 - 8m)
What is 9 - 24m?
300
Solve the expression. Write your answer in scientific notation. (8.45 x 10^-7) - (6.9 x 10^-7)
What is 1.55 x 10^-7
300
Write 61000 in scientific notation.
What is 6.1 x 10^4?
300
(2.5 x 10^3) x (6 x 10^-3)
What is 1.5 x 10^1?
300
3^0/(((3^3)^4)*(3^4))^2
What is 1/(3^32)?
300
-4(4x - 5) = 116
What is -6?
400
Humpback whales are known to weigh as much as 8 x 10^4 pounds. The tiny krill they eat weigh only 2.1875 x 10^-3 pounds. Approximately how many times greater than krill are humpback whales?
What is 4 x 10^7
400
Write 4.32 x 10^-5 in standard notation.
What is 0.0000432?
400
(1.75 x 10^-6)/(3 x 10^3)
What is 5.83 x 10^-10?
400
((m^-3)^2)/((2m^-1)* (4m^2))
What is 1/(8m^7)
400
-4(-7x - 2) + 7 = 127
What is 4?
500
A computer can perform 4.66 x 10^8 instructions per second. How many instructions is that per minute? Per hour? Write your answers in scientific notation.
What is
Per Second = 2.796 x 10^10
Per Hour = 1.6776 x 10^12