Solve (4x10^-3)x(9x10^4)
The answer is 1.3x10^2. To solve this you need to multiply the integers first to get 13. The exponents (x10^4 for example) are then multiplied, since it is multiplication the powers are simply added to give x10^1. The 13x10^1 becomes 1.3x10^2 to make it standard form.
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Related Maths GCSE answers
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Find the roots of the quadratic equation 2x^2 - 15x - 8
Solve 2x^2+ 7x -8 = 0, giving your answer to 2 decimal places.