53 * 54 = 5(3+4) = 57 = 78125
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4-3 x 4-5 = 1.5265625 × 10-5
4^2 = 16 4^3 = 64 16^5 = 16 x 16 x 16 x 16 x 16 = 256 x 256 x 16 = 1048576 You cannot add the powers in addition operation, but can in multiplication operation. Thus 4^2 x 4^3 = 4^5 = 1024 When a number is written to a power, it is multiplying by itself the power number of times. Thus: 4^2 = 4 x 4 4^3 = 4 x 4 x 4 and: 4^2 x 4^3 = (4 x 4) x (4 x 4 x 4) = 4 x 4 x 4 x 4 x 4 = 4^5 = 4^(2+3)
5 x 32 + 42 = 5 x 9 + 16 = 61
3^2 x 5^2 = 3 x 3 x 5 x 5 = 9 x 25 = 225
92,054,000 is the answer.