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(-4*9)*-5 = 180
An exponent means "this many times." So, 4 cubed (to the power of 3; a 3 exponent.) is 4 NOT times 3, but 3 TIMES. So it is 4x4x4(=64). Or, 5 to the power of 5 is 5 times itself 5 times, so, 5x5x5x5x5(=3,125). 3 to the power of 9 is 3 times itself 9 times. Basically, the exponent tells how many times you multiply the number by itself. Does that help?
5 x 32 + 42 = 5 x 9 + 16 = 61
it is 262,144. you have to times 4 by itself 9 times to get the answer. 4x4x4x4x4x4x4x4x4
42/9 * 4/5