2 532-(4-1)]
2[32-(4-1)3]

10

Step-by-step explanation:

2[32-(4-1)^3]

Use the Order of Operations (PEMDAS)

1.)  2[32-(3)^3]

2.)  2(32-27)

3.)  2(5)

4.)  10

for any of you who need the translation here it is

step-by-step explanation:

find the angular size of the equatorial radius of the earth, if the horizontal parallax of the sun

3, 12, 48, 384, 1536, 6144, 24576, 98304

step-by-step explanation:

just keep timing it by 4.