How do you find a scientific notation

Simplify the expression by combing any like terms 2a+3-5a+8b

a house is valued £210 000, correct to 2 significant figures, what is the lowest possible value of the house and the highest possible value of the house?

What is the equation of a straight line is parallel to y = 4x-1?

Explain why (cos ((theta)) ? + (sin ((theta)) 2 = 1

Which of the following is not a component of a payroll system? Payroll sinking fund Employee earning fund Payroll record Payroll bank account

What is the slope of the line? y+3 = - 4 (9x+7)

A college has a 30% completion rate, meaning that 30% of all students who start at the college complete their studies. The president of the college sets a goal of increas ing this number by 50%. What will the completion rate goal be as a percent?

If the nth partial sum of the sequence an is given by n Sigma 2k+4 k=1 Then what is the nth term of the sequence? A. 6 B. 2n+4 C. 6+8+10+12 + ... + (2n+4) D. 2 (1) + 4+2 (n) + 4

What is the exponent of z in w5 yz?

Did you hear about the pig that built himself a home?