Can i get some on 2,4,20,40, and 50

2. power

4. tenth

20. hundred-thousandth

40. 5.063

50. 67/10

Step-by-step explanation:

20. If the underlined digit is the zero, the answer is "hundred-thousandth." It's hard to tell from the picture if zero is the underlined digit.

40. 5 and 63/1000 = 5 + 63/1000 = 5 + 0.063 = 5.063

50. 6.700 = 6700/1000 = 67/10

Step-by-step explanation:

DE²=DF²+EF²

39=15²+x²

39-225=x²

-186=ײ

squareroot of -186