Exponents and P...

Mark the greatest number of all:
$$3.1 \times {10}^{3}$$, $$3 \times {10}^{2}$$ and $$1.1 \times {10}^{5}$$

Mark the correct answer:
$$3^2 \times 10^3 \times 30 $$ is less than $$ 8.1 \times {10}^5$$

Express $$27$$ in exponential form.

Fill in the blank:
$$4.1 \times {10}^2$$ is _______ $$ 41 \times {10}^2 $$

Express $$10,000,000$$ in the exponential form.

Choose the correct answer:
The base and exponent in $$7^6$$ are _____ and _____.

Choose the correct answer:
In $${12}^7$$, ______ is the exponent.

Choose the correct answer in place of question mark $$(?)$$in the following expression:
$$121 = {11}^?$$

Choose the correct answer in place of question mark $$(?)$$in the following expression:
$$169 = {?}^2$$

Find the base and exponent of the $$2x^{3}$$