91Ó°ÊÓ

Evaluate the following expressions for the given value. Find the value of \((2 y+3)^{2}\) when \(y=-1\)

Write each number in standard form. $$6.25 \times 10^{-2}$$

Simplify each expression, and write all answers in scientific notation. $$\frac{(0.00087)(40,000)}{1,160,000}$$

Write each number in standard form. $$6.25 \times 10^{-4}$$

Write each number in standard form. $$3.125 \times 10^{-1}$$

Multiply the following expressions. $$(7 x-1)(4 x-5)$$

Write each number in standard form. $$5 \times 10^{-5}$$

Multiply the following expressions. \(\left(6 a^{6} b^{3}\right)\left(3 a^{3} b^{6}\right)(a b)\)

Simplify the following expressions. \(\left(a^{3}\right)^{7}\)

Find the value of each of the following expressions when \(x=4\). $$-2-2 x$$