Just double the 2 X 10 to find 4 X 10.
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2 x 5 = 10 2^4 x 5^4 = 10000 2^4 x 3^3 x 5^4 = 270000
4/10-2/5 Use Lowest Common Denominator: 10/5=2 (2*2)/(2*5)=4/10 4/10-4/10=0/10=0
You can use 2*8 to find 4*8 by solving 2*8, then multiplying it by 2. This is equivalent to 4*8, or 32.
270000 = 27 x 10000 = 27 x 10^4 = 27 x 2^4 x 5^4 = 2^4 x 3^3 x 5^4
To find the least common multiple (LCM) of 2, 4, and 10, we need to first find the prime factorization of each number. The prime factorization of 2 is 2, 4 is 2^2, and 10 is 2 * 5. To calculate the LCM, we take the highest power of each prime factor that appears in the factorizations of the numbers, which gives us 2^2 * 5 = 20. Therefore, the LCM of 2, 4, and 10 is 20.