Converting To and From Scientific Notation
Numbers and Operations, and more...

 1 MEDIUM The distance between the Sun and the Earth averages to 146,900,000 km. What is this value in scientific notation? 1469 $$\times10^{5}$$1469$$\times10^{8}$$1.469 $$\times10^{8}$$1 $$\times10^{8}$$1.469 $$\times10^{5}$$

 2 MEDIUM What is 1.8467$$\times10^{-5}$$ equivalent to? 0.184670.00184670.00001846718467018467.5

 3 MEDIUM The number of atoms in the observable universe is estimated to be between 4$$\times10^{79}$$ and $$10^{81}$$. How many times greater is the second number than the first? 241025100

 4 MEDIUM $$10^{1919} \times 50 =$$ $$10^{1921}$$$$5 \times 10^{1921}$$$$2 \times 10^{1919}$$$$5 \times 10^{1920}$$$$2 \times 10^{1917}$$

 5 MEDIUM $$1.8 \times 10^{1919} \times 2 \times 10^{5984} =$$ $$3.6 \times 10^{7903}$$$$3.8 \times 10^{7903}$$$$3.6 \times 10^{11483296}$$$$3.8 \times 10^{11483296}$$$$1.8 \times 10^{15806}$$