Answer:
I think the first 4 are right
5-8
sorry I cant read it it it is too small so I will explain
5.1 x 10^-2 would be 0.051 just move the decimal left x spaces where x is the exponent
9
4.4 x 10^3
10
7.5 x 10^4
11
6.99 x 10^7
12
5.75 x 10^9
13
8.4 x 10^-2
14
9.9 x 10^-3
15
5.15 x 10^-7
16
3.07 x 10^-5
17
you got it right
18
you got it right
19
Singapore
Luxembourg
Australia
Egypt
Brazil
20
3,670,000,000
21
6.2 x 10^-6
22
125,000,000,000
1.25 x 10^11
Step-by-step explanation:
i hope I helped
Answer:
55
Step-by-step explanation:
Answer:104
Step-by-step explanation: I really might be wrong, but here is where my mind is taking me. a "rectangular shape" has 2 parrell sides you add up the sides. so the up and down ones are 26, and the side to side ones are 16. divide that by 2 so 13 and 8, multiply that witch is 104.
1,295.01 because the 1 is in the hundredths place and four rounds down