Find the sum of each finite geometric series. 1 + 2 + 4 + … + 2048

Yoku is putting on sunscreen. he uses 2\text{ ml}2 ml to cover 50\text{ cm}^250 cm 2 of his skin. he wants to know how many milliliters of sunscreen (c)(c) he needs to cover 325\text{ cm}^2325 cm 2 of his skin. how many milliliters of sunscreen does yoku need to cover 325 \text{ cm}^2325 cm 2 of his skin?

Need this asap if anyone can i would be very grateful. if you could show workings that would really

(x-5)1/2+5=2 what is a possible solution?