Question

***20 POINTS-WILL MARK BRAINLIEST*** #2

Answer 1

Answer:

a).

$\frac{9\times10^9}{3\times10^7} \\ \\\implies 3\times10^2 \\ \\\implies 300$

b).

$\frac{9.45\times10^7}{2.1\times10^2} \\ \\\implies 4.5 \times10^5 \\ \\\implies 45 \times 10^4$

c).

$\frac{7.5\times10^{-5}}{5\times10^{-2}} \\ \\\implies 1.5 \times 10^{-3}$

Answer 2

Answer:

9x10⁹= ¹0⁹

3x10⁷=30000000

9.45x10⁷=94500000

2.1x10²=210

Step-by-step explanation: