So this one you don't multiply the base by the exponent. in this case its 2 times two how ever many time the exponent says. 2^0= 2 2^1= 2 2^2=4 2^3= 8 2^4=16 2^5=32 2^6=64 2^7=128 2^8=256 2^9=512 So then you add all them up 2+2+4+8+16+32+64+128+256+512= 1024