31 (65times 10^2)times (39times 10^3)=underline ( ) 32 (7times 2^5)-4(4times 5^5)=underline ( ) 33 77times 10^-2=underline ( ) 34 6^6times 2(3-7^-2)=underline ( ) 35 (35times 10^-2)-(57times 10^-3)=underline ( ) 36 (45times 10^3)-(63times 10^-3)=underline ( ) 37 4(23+17)^2+4(14-3)^3+50-44=underline ( ) 38 15(2^2-10)+(3^-3+9)-18+2=underline ( )

Question

Answer 1

### 31.

### 32.

### 33.

### 34.

(approximately)### 35.

### 36.

### 37.

### 38.

(approximately)

Answer 2

## Step1: Calculate

### Multiply the coefficients and add the exponents of 10:

## Step2: Calculate

### Evaluate the exponents and then perform the multiplications and subtraction:

## Step3: Calculate

### Move the decimal point two places to the left:

## Step4: Calculate

### Evaluate the exponent and then perform the operations inside the parentheses, followed by multiplication:

## Step5: Calculate

### Convert to decimal form and subtract:

## Step6: Calculate

### Convert to decimal form and subtract:

## Step7: Calculate

### Perform the operations inside the parentheses first, then exponents, multiplication, and finally addition/subtraction:

## Step8: Calculate

### Evaluate the exponents and then perform the operations inside the parentheses, followed by multiplication and addition/subtraction:

Question