400
4000000
4,000,000
40,000
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.
0.00004
(4*10)6 (40)6 4,096,000,000
How can you use 2x10 to find 4x10
7384 = 7x10^3 + 3x10^2 + 8x10^1 + 4x10^0
Sure thing, honey! 40,000 in standard form is simply 4 x 10^4. Just move that decimal point four places to the right, and you're good to go!
8x10
0.004