Answer: 1.567 × 10⁹
Step-by-step explanation:
1.6 × 10⁹ = 1.6 × 1000000000 = 1,600,000,000
3.3 × 10⁷ = 3.3 × 10000000 = 33,000,000
1,600,000,000 - 33,000,000 = 1,567,000,000
10⁹ = 1,000,000,000
1.567 × 1,000,000,000 = 1,567,000,000
Hope this helps!
Answer:
a) 2x+3
b) 5x-7
c) 2x-10
d) 3x/2
the number considered is x
69
B. 0.50
It claims to estimate. Square root of 2 would be somewhere around 1. Square root of 5 would be somewhere around 2. Then you divide, 1/2, and that should equal 0.50.
I hope this is correct!
2
x
+
8
−
4
3
6
7
Subtract
from
.
Add
and
15
4:7
Edit: I just saw the multiple choice options, in this case the right answer is:
but they're both equal
The ratio you are looking for is
freestyle laps : (freestyle + butterfly) laps
so:
8 : (6+8)
8:14
Divide by 2 to simplify
