Answer:
20
Step-by-step explanation:
16-12/4+3(6-2) subtract 6 and 2
16-12/4+3+4 divide 12 and 4
16-3+3+4 subtract 16 and 3
13+3+4 add all 3 numbers
13+7
20
Answer:

Step-by-step explanation:
Given


Required

This is calculated as:

So, we have:

8 for n



Answer:
Step-by-step explanation:
Scientific form of 0.0000007 = 7 ×
Answer:
2 1/2
Step-by-step explanation:
(1/4 + 5/4) squared + 1/4
(6/4) squared + 1/4
2 1/4 + 1/4
2 1/2