Answer:
R=10
Step-by-step explanation:
-2×-3=6
R=5×2
=10
0.6858 meters
1.B
2.C
3.D
4.A
12.80+3.42= 16.22
16.22-9.70= 6.52 that's your answer
1/5^15
You use the exponent rule:
a^-b = 1/a^b