8,730
It is simply: 10 times 10 = 100
800
114
10 to the 2nd power, written as (10^2), means 10 multiplied by itself. This equals (10 \times 10), which results in 100. In general, raising a number to a power indicates how many times to use that number in a multiplication.
8.2 times 10 to the 2nd power
1.39 times 10 to the 2nd power is 139
It is simply: 10 times 10 = 100
790
800
114
-8
8.2 times 10 to the 2nd power
It is not, it is smaller.
2.5x103 = 25003.5x102 = 3502500 + 350 = 2850 which is 2.95x103
4.5 x 102 = 450
9.2 x 102 = 920
(5*103)+(3*102) = 5300