Which is an equivalent form of the expression 1800 times 1 point 2 raised to the negative t power ?

Since 1.2 = 6/5, the expression is 1800(6/5)^(−t). Using the negative-exponent rule, (6/5)^(−t) = (5/6)^t, so the equivalent form is 1800 times 5/6 raised to the t-th power.

AI-written and checked against the verified answer.