Below are 10 different metric prefixes and their abbreviations. match them up. : )
question 1 options:
giga
milli
centi
deca
micro
mega
deci
nano
kilo
hecto
1.
g
2.
da
3.
n
4.
m
5.
m
6.
k
7.
c
8.
d
9.
h
10.
µ

1.G → giga  

2.da → deca

3.n → nano

4.m → milli

5.M → mega

6.k → kilo

7.c → centi

8.d → deci

9.h → hecto

10.µ → micro

Explanation:

In descending order:

1.G → giga (1 . 10⁹)  

5.M → mega (1 . 10⁶)

6.k → kilo (1 . 10³)

9.h → hecto (1 . 10²)

2.da → deca (1 . 10¹)

8.d → deci (1 . 10⁻¹)

7.c → centi (1 . 10⁻²)

4.m → milli (1 . 10⁻³)

10.µ → micro  (1 . 10⁻⁶)

3.n → nano (1 . 10⁻⁹)

In example:

1000000 m = 1 Mm

0,000000001 m = 1 nm

answersilicon (si); oxygen (o);