Answer:
you just add the top numbers and then if its over the denominator you simplify
Step-by-step explanation:
7/9 + 4/9
10/9
1-1/9
Answer:

Step-by-step explanation:
Any positive integer power of 10 is the number of times 10 multiply by itself. In case power remain zero then the result will be just one.

As given, we need to write 1000 as a power of 10
∴ 
Answer: 0,-3
Step-by-step explanation: hope this helps!!
Answer:
1,520
Step-by-step explanation:
Answer:
∠ CDB = 43°
Step-by-step explanation:
Angles subtended at the circumference by the same arc are congruent.
The arc CB subtends both ∠ CAB and ∠ CDB , thus
∠ CDB = ∠ CAB = 43°