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
All answers ▸1/7 + 5/3x
Find the x co-ordinates where the curve y=x+1 and y= x^2 +1 cross?
Emily bought 3 books and 2 apples, and she spent £19, while her brother, John, spent £15 on 1 book and 5 apples. What is the cost of one book and one apple?
Insert a pair of brackets into this question to make it correct 2 + 5 x -6 = -42