Sowwy again, sowwy im bad at math :-

Find the sum of the first 8 terms of the following sequence. round to the nearest hundredth if necessary.

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

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?