Add the Zeros
4 × 10
40
3 x 10
30
5 x 10 = 500
False
7 × ___ = 70
10
10²
100
6 × 100
600
7 x 100
700
8 x 100 = 800
true
5 × ___ = 500
100
10³
1000
9 × 1,000
9,000
45 x 10
450
6 x 1,000 = 600
False
3 × ___ = 3,000
1,000
10⁴
10,000
12 × 100
1200
82 x 100
8200
9 x 10 = 90
True
9 × ___ = 900
100
2 × 10²
200
25 × 1,000
25,000
306 x 1,000
306,000
12 x 100 = 120
False
4 × ___ = 40,000
10,000
5 × 10³
5,000