The International System of Units (SI) is a revised version of the _______.

Refer to the figures below. Choose the statement that is true about the given values.

$\angle B$ , $\angle EFD$

(A) The value in column $\mathrm{A}$ is greater. (B) The value in column $B$ is greater. (C ) The two values are equal. (D) The relationship cannot be determined from the given information. $\angle B$ , $\angle EFD$

Which of the following is not an advantage of using SI units? A. allows scientists to compare observations and results. B. can compare measurements made years apart. C. based on the number 5, which is easy to use in calculations. D. uses prefixes to express measurements that are small or large

A unit of work is called a _____ in SI units and a ______ in the customary U.S. system of units.

Solve the inequality. Graph and check your solution. 8b> 32

Why do scientists around the world use the International System/of Units (SI)?

Write the decimal as a fraction or a mixed number.

$$2.0 \overline { 6 }$$

Sketch the graph of each equation below. $a. y = 3 \sin \left( x + \frac { \pi } { 2 } \right)$ $b. y = - 2 \sin ( 4 x )$

Suppose we are given the following information about a signal x(t): 1. x(t) is a real signal. 2. x(t) is a periodic with period T=6 and has Fourier coefficients

$$a_k$$

. 3.

$$a_k=0$$

for k=0 and k>2. 4. x(t)=-x(t-3). 5.

$$1/6∫_{-3}^3|x(t)|^2dt=½.$$

$$a_1$$

is a positive real number.

Calculate the radius of a tantalum $\mathrm{(Ta)}$ atom, given that $\mathrm{Ta}$ has a BCC crystal structure, a density of $16.6 ~\mathrm{g} / \mathrm{cm}^{3}$, and an atomic weight of $180.9~\mathrm{ g/mol}$.

$$( \$ 16 - \$ 5.74 ) \div 6$$

Circle the letter of each sentence that is true about numbers expressed in scientific notation. a. A number expressed in scientific notation is written as the product of a coefficient and 10 raised to a power. b. The power of 10 is called the exponent. c. The coefficient is always a number greater than or equal to one and less than ten. d. For numbers less than one, the exponent is positive.

Circle the letter of the answer in which 503,000,000 is written correctly in scientific notation. a.

$$5.03 \times 10 ^ { - 7 }$$

b.

$$503 \times 10 ^ { 6 }$$

c.

$$5.03 \times 10 ^ { 8 }$$

d. 503 million

Find the coordinates of the midpoint M. Then find the distance between points S and T. S(-2, 4) and T(3, 9).