(19*10^ 2) ^2 * (15*10 ^ -5)
(5*10^2) ^2 * (17*10 ^ -5)
(16*10 ^-2) ^ 2 * (15*10^3)
(5*10 ^-2) ^ 4 * (16*10^5)
(5*10^2) ^2 * (17*10 ^ -5)
(16*10 ^-2) ^ 2 * (15*10^3)
(5*10 ^-2) ^ 4 * (16*10^5)
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Answers & Comments
(19*10²)² * (15*10⁻⁵) = 19² * 10⁴ * 15 * 10⁻⁵ = 5415*10⁴⁻⁵=5415 * 0,1 = 541,5
2)
(5*10²)² * (17*10⁻⁵)=5² * 10⁴ * 17 * 10⁻⁵ = 25 * 17 * 10⁴⁻⁵ = 425 * 0,1 = 42,5
3)
(16*10⁻²)² * (15*10³) = 16² * 10⁻⁴ * 15 * 10³ = 256 * 15 * 10⁻⁴⁺³ = 3840 * 0,1 =
= 384
4)
(5*10⁻²)⁴ * (16*10⁵) = 5⁴ * 10⁻⁸ * 16 * 10⁵ = 5⁴ * 2⁴ * 10⁻⁸⁺⁵ =
= (5 * 2)⁴ * 10⁻³ = 10⁴ * 10⁻³ = 10⁴⁻³ = 10¹ = 10