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10-66.

An exponent is shorthand for repeated multiplication. For example, $x^3=x\cdot x\cdot x$. Use the meaning of an exponent to rewrite each of the expressions below.

1. $(3x-1)^2$

$(3x-1)\cdot(3x-1)$

1. $7^4$

$7\cdot7\cdot7\cdot7$

1. $m^3$

$m\cdot m\cdot m$

1. $w^{10}$