Which expressions are equivalent to the one below? check all that apply. 3^4 • 3^x a. 34 - x b. 81 • 3x c. (3 • x)4 d. 34x e. 34 + x f. 94x

3^4+x, 81•3^x

Step-by-step explanation:

b, e

Step-by-step explanation:

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the total estimated nappy use.=10,500,000

step-by-step explanation:

given that on an average the average baby uses 3528 napkins.

in a particular year 2014, the number of births were 299697 in new south wales.

rounding off the number of births to the nearest hundred thousand we have

no of birtsh = 300000

also rounding off the average usage to nearst thousand we get

average use of a baby = 3500

hence total number of nappy estimated to be used = 3500x300000

= 10,500,000

answer is 10,500,000 nappies