11+2^3x5
You always start with parenthesis but there aren't any so you go to exponents. 2 to the third power is 2 x 2 x 2 which is 8. so now you will have 11+8x5. Next is either multiply or divide left to right. There's only multiplication so you have to multiple 8 x 5 which is 40. now all you're left with is 11 + 40. You have to add or subtract from left to right. Since, there's only adding, 11 + 40 = 51