Perform the computations. Write answers in scientific notation.

$$\left(3 \times 10^{12}\right)^2$$

Solve the equation.

$$\frac{0.05 x-9}{8}=0.2(x-25)$$

Perform the computations. Write answers in scientific notation.

$$\frac{1 \times 10^{-8}}{4 \times 10^7}$$

Perform the computations. Write answers in scientific notation.

$$\frac{3 \times 10^{20}}{6 \times 10^{-8}}$$

Use the distributive property to find the product.

$$(t-4)(t-9)$$

Solve the equation.

$$0.35 x=0.4 x+2$$

Write the number in standard notation.

$3561$ thousand

Write the number in standard notation.

$34$ trillion

Solve the equation.

$$x+\frac{1}{8}=\frac{9}{20}$$

Use the distributive property to find the product.

$$(y-2)(y+4)$$

Perform the computations. Write answers in scientific notation.

$$\frac{9 \times 10^{-4}}{3 \times 10^{-6}}$$

Perform the computations. Write answers in scientific notation.

$$\frac{4 \times 10^{-8}}{2 \times 10^{30}}$$

Write the number in standard notation.

$4.5$ million

Solve the equation.

$$\frac{3}{11} x=\frac{1}{5}$$