Please help me!!
thank you so much

B

Step-by-step explanation:

I might not be right i did all the calculations in my head

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B : 9 x 10

Step-by-step explanation:

So i am just going with what i think it is going on here...

4 x 10 5 : 4 x 10 x 10 x 10 x 10 x 10 = 400000 (not a perfect square)

9 x 10 4 : 9 x 10 x 10 x 10 x 10 = 90000 (a perfect square)

4 x 10 3 : 4 x 10 x 10 x 10 = 4000 (not a perfect square)

9 x 10 3 : 9 x 10 x 10 x 10 = 9000 (not a perfect square)

(sorry if i'm wrong but i hope this helped)

my i add this took me so long to multiply and stuff

answer: c i think

step-by-step explanation:

go on the tube you might find some information there