2.1x1010 (30,000 x 700,000)
57000
3.86 times 10 to the power of -7 equates to 0.000000386
5.93 x 10^3
10^4 * 10^7 = 10^11 When multiplying exponents with the same base (in this case, 10), you add the exponents (4+7). If you were dividing, you'd subtract the exponents.
2.1x1010 (30,000 x 700,000)
57000
3.86 times 10 to the power of -7 equates to 0.000000386
3 times 10 to the 8th power divided by 7 times 10 to the negative 7th power equates to: 4.28571428571
70,000
5 is.
5 x 10^3 x 7 x 10^4
7 to the fourth power = 7 x 7 x 7 x 7 = 2401.
2000 times larger
3,376
5.93 x 10^3
10^4 * 10^7 = 10^11 When multiplying exponents with the same base (in this case, 10), you add the exponents (4+7). If you were dividing, you'd subtract the exponents.