456*105 = 45 600 000, that is 456 followed by 5 zeros.
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4-3 x 4-5 = 1.5265625 × 10-5
45.6 = 456/10 = 228/5
To evaluate the expression (4x10^4)(2x10^5), you first multiply the numbers 4 and 2 to get 8. Then, you multiply the powers of 10 by adding the exponents, which gives you 10^(4+5) = 10^9. Therefore, the final answer is 8x10^9.
There is no equation in that statement. There is only this 3 x 10^8. There has to be an equals sign, = , for there to be an equation. Please restate the term as an equality. Of course there is an equation: Answer = [3 times 10 to the eighth] to the fifth power
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