Accel. CRM 1.3 Review

Standard vs. Scientific

100

5.0 x 10⁴

50,000

200

4.21 x 10^-3

0.00421

300

30,700,000

3.07 x 10⁷

400

0.000084

8.4 x 10^-5

500

Write the inequality used to determine mantissa.

1 ≤ |m| < 10

+ & -

100

(1.5 × 10⁶)  + (2.0 × 10⁶)

3.5 x 10⁶

200

(6.11 × 10⁵) +  (1.574 × 10⁶)

2.185 x 10⁶

300

(3.8 x 10⁸) - (8.1 x 10⁷)

2.99 x 10⁸

400

(4.8 x 10^-3) + (6.3 x 10^-3)

1.11 x 10^-2

500

Find the difference between 6.6 x 10^-5 and 6.1 x 10^-4

5.44 x 10^-4

x & /

100

(4.0 x 10²) x (2.0 x 10³)

8.0 x 10⁵

200

(4.2 x 10⁵)

(2.8 x 10⁴)

1.5 x 10¹

300

(9.87 x 10^-4)

4.7 x 10^-2

2.1 x 10^-2

400

(1.2 x 10^-9)(3.2 x 10^-7)

3.84 x 10^-16

500

A local park has 9.7 x 10³ square feet of grass. There are on average about 4.2 x 10¹ ants per square foot. How many ants are there total in the park?

4.074 x 10⁵

Evaluating Expressions

100

What is the order of operations?

Parentheses, Exponents, Multiplication and Division, Addition and Subtraction

200

(|4-√36|)/3^2

0.22222... or 2/9

300

7^2 - 3.2(√121÷ (1/11)^-1)

45.8

400

(4)^-2(21.3)(2)⁵

42.6

500

27÷(∛-27)(4^2)

-144