Problem 3.6 2 of 12 Constants | Periodic Table Part C The figure shows two vectors, A and B, whose magnitudes are A = 6.5 and B = 5.2. (Figure 1) Calculate the magnitude of A B. Express your answer using three significant figures. Πν ΑΣφ Request Answer Submit Figure < 1 of 1 Part D Calculate the direction of A - B. Π ΑΣΦΦ counterclockwise from the +x direction Submit Request Answer 2 of 12 Problem 3.6 Constants | Periodic Table The figure shows two vectors, A and B, whose magnitudes are A = 6,5 and B = 5.2. (Figure 1) Part E Calculate the magnitude of B - Ä. Express your answer using three significant figures. να ΑΣφ B – Ä| = Request Answer Submit Figure < 1 of 1 > Part F Calculate the direction of B -A. Πνα ΑΣφ counterclockwise from the +x direction Request Answer Suhmit

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So I am doing this practice lab and I think I am just overthinking it for my step number 6. I sure it is as straight forward as it shows but I am just not understanding. So for "r" I have 84.7 cm which is 0.847 m for my first measurement. I think all I have to do is just input it to the formula provided that I have in the photo for step 6. So if i can just get a better example of what it is asking, I would greatly appreciate. I am just slow when it comes to following instructions.

Could I have help with this physics problem