grade 7 Review

write each expression using exponent , 11.11.11.11

Write expression using exponent (-14)(-14)(-14)

The longhorn beetle can have a body length of more than 2⁴ centimeters . how many centimeters long is this ?

Evaluate the expression if

a = 3, b = -4 , c = 3.5

1) a³+ 2

2) 4c - 7 + b³

Write the expression using positive exponent

a) 6^-2

b) x^-5

Write each expression using negative exponent other than -1

Write each expression using negative exponent other than -1

Evaluate each expression

if x = -4 , y = 2

a) y^-7

b) 3^x

Find each product . Express using positive exponent.

a) 5⁶.5²

b) 4^-5.4⁶

c) 10y.(4y)^-7

Find each quotient . express using positive exponent.

Express each number in standard form

a) 4.16 x 10³

b) 3.2 x 10^-2

c) 1.075 x 10⁵

^{Express each number in scientific notation}

^{a) 1600,000}

^{b) 0.008}

Estimate the value using scientific notation

3612500 cm

order 3.4x10², 3.5x10² , 3.7x10^-2, and 400 from least to greatest

Evaluate each expression. express the result in scientific notation.

a) (4.62x10⁵)(8.15x10⁹)

b) (7.53x10^-8)(2.93x10^-3)

 Evaluate expression. Express the result in scientific notation.

Evaluate each expression. express the result in scientific notation

a) (1.217x10⁵) - (5.25x10⁴)

b) (2.003x10⁴) + (7.98 x 10⁷)