7 to the power of 5 squared would be written (75)2
Working the brackets first, you would take 7 to the power of 5, which is 7x7x7x7x7, giving 16,807
16,807 is then squared, and 16,807x16,807 = 282,475,249 so that would be your answer.
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2y squared * y cubed= 2y^5 (2y to the fifth power)
To find the least common multiple (LCM) of 5ab and 7ab squared, we need to consider the highest power of each prime factor in both numbers. The prime factors in 5ab are 5, a, and b, while the prime factors in 7ab squared are 7, a, and b squared. The LCM will be the product of the highest power of each prime factor, which gives us 35ab squared.
Seven raised to the power two means 7^2 or 'Seven squared'. 7^2 = 7 x 7 = 49